20899163208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2731}}^1$

素因数の和:2900

約数の個数: 256

約数和(自身を含む): 67414394880

約数和(自身を除く): 46515231672

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 41, 42, 44, 56, 66, 77, 82, 84, 88, 101, 123, 132, 154, 164, 168, 202, 231, 246, 264, 287, 303, 308, 328, 404, 451, 462, 492, 574, 606, 616, 707, 808, 861, 902, 924, 984, 1111, 1148, 1212, 1353, 1414, 1722, 1804, 1848, 2121, 2222, 2296, 2424, 2706, 2731, 2828, 3157, 3333, 3444, 3608, 4141, 4242, 4444, 5412, 5462, 5656, 6314, 6666, 6888, 7777, 8193, 8282, 8484, 8888, 9471, 10824, 10924, 12423, 12628, 13332, 15554, 16386, 16564, 16968, 18942, 19117, 21848, 23331, 24846, 25256, 26664, 28987, 30041, 31108, 32772, 33128, 37884, 38234, 45551, 46662, 49692, 57351, 57974, 60082, 62216, 65544, 75768, 76468, 86961, 90123, 91102, 93324, 99384, 111971, 114702, 115948, 120164, 136653, 152936, 173922, 180246, 182204, 186648, 210287, 223942, 229404, 231896, 240328, 273306, 275831, 318857, 335913, 347844, 360492, 364408, 420574, 447884, 458808, 546612, 551662, 630861, 637714, 671826, 695688, 720984, 783797, 827493, 841148, 895768, 956571, 1093224, 1103324, 1231681, 1261722, 1275428, 1343652, 1567594, 1654986, 1682296, 1913142, 1930817, 2206648, 2351391, 2463362, 2523444, 2550856, 2687304, 3034141, 3135188, 3309972, 3695043, 3826284, 3861634, 4702782, 4926724, 5046888, 5792451, 6068282, 6270376, 6619944, 7390086, 7652568, 7723268, 8621767, 9102423, 9405564, 9853448, 11309071, 11584902, 12136564, 14780172, 15446536, 17243534, 18204846, 18811128, 21238987, 22618142, 23169804, 24273128, 25865301, 29560344, 33927213, 34487068, 36409692, 42477974, 45236284, 46339608, 51730602, 63716961, 67854426, 68974136, 72819384, 79163497, 84955948, 90472568, 103461204, 124399781, 127433922, 135708852, 158326994, 169911896, 206922408, 237490491, 248799562, 254867844, 271417704, 316653988, 373199343, 474980982, 497599124, 509735688, 633307976, 746398686, 870798467, 949961964, 995198248, 1492797372, 1741596934, 1899923928, 2612395401, 2985594744, 3483193868, 5224790802, 6966387736, 10449581604, 20899163208]

約数ペア:

[(1, 20899163208), (2, 10449581604), (3, 6966387736), (4, 5224790802), (6, 3483193868), (7, 2985594744), (8, 2612395401), (11, 1899923928), (12, 1741596934), (14, 1492797372), (21, 995198248), (22, 949961964), (24, 870798467), (28, 746398686), (33, 633307976), (41, 509735688), (42, 497599124), (44, 474980982), (56, 373199343), (66, 316653988), (77, 271417704), (82, 254867844), (84, 248799562), (88, 237490491), (101, 206922408), (123, 169911896), (132, 158326994), (154, 135708852), (164, 127433922), (168, 124399781), (202, 103461204), (231, 90472568), (246, 84955948), (264, 79163497), (287, 72819384), (303, 68974136), (308, 67854426), (328, 63716961), (404, 51730602), (451, 46339608), (462, 45236284), (492, 42477974), (574, 36409692), (606, 34487068), (616, 33927213), (707, 29560344), (808, 25865301), (861, 24273128), (902, 23169804), (924, 22618142), (984, 21238987), (1111, 18811128), (1148, 18204846), (1212, 17243534), (1353, 15446536), (1414, 14780172), (1722, 12136564), (1804, 11584902), (1848, 11309071), (2121, 9853448), (2222, 9405564), (2296, 9102423), (2424, 8621767), (2706, 7723268), (2731, 7652568), (2828, 7390086), (3157, 6619944), (3333, 6270376), (3444, 6068282), (3608, 5792451), (4141, 5046888), (4242, 4926724), (4444, 4702782), (5412, 3861634), (5462, 3826284), (5656, 3695043), (6314, 3309972), (6666, 3135188), (6888, 3034141), (7777, 2687304), (8193, 2550856), (8282, 2523444), (8484, 2463362), (8888, 2351391), (9471, 2206648), (10824, 1930817), (10924, 1913142), (12423, 1682296), (12628, 1654986), (13332, 1567594), (15554, 1343652), (16386, 1275428), (16564, 1261722), (16968, 1231681), (18942, 1103324), (19117, 1093224), (21848, 956571), (23331, 895768), (24846, 841148), (25256, 827493), (26664, 783797), (28987, 720984), (30041, 695688), (31108, 671826), (32772, 637714), (33128, 630861), (37884, 551662), (38234, 546612), (45551, 458808), (46662, 447884), (49692, 420574), (57351, 364408), (57974, 360492), (60082, 347844), (62216, 335913), (65544, 318857), (75768, 275831), (76468, 273306), (86961, 240328), (90123, 231896), (91102, 229404), (93324, 223942), (99384, 210287), (111971, 186648), (114702, 182204), (115948, 180246), (120164, 173922), (136653, 152936)]