20717507538

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{6359}}^1$

素因数の和:6423

約数の個数: 240

約数和(自身を含む): 60838335360

約数和(自身を除く): 40120827822

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 81, 91, 102, 117, 119, 126, 153, 162, 169, 182, 189, 221, 234, 238, 273, 306, 338, 351, 357, 378, 442, 459, 507, 546, 567, 663, 702, 714, 819, 918, 1014, 1053, 1071, 1134, 1183, 1326, 1377, 1521, 1547, 1638, 1989, 2106, 2142, 2366, 2457, 2754, 2873, 3042, 3094, 3213, 3549, 3978, 4563, 4641, 4914, 5746, 5967, 6359, 6426, 7098, 7371, 8619, 9126, 9282, 9639, 10647, 11934, 12718, 13689, 13923, 14742, 17238, 17901, 19077, 19278, 20111, 21294, 25857, 27378, 27846, 31941, 35802, 38154, 40222, 41769, 44513, 51714, 57231, 60333, 63882, 77571, 82667, 83538, 89026, 95823, 108103, 114462, 120666, 125307, 133539, 155142, 165334, 171693, 180999, 191646, 216206, 232713, 248001, 250614, 267078, 324309, 343386, 361998, 400617, 465426, 496002, 515079, 542997, 578669, 648618, 744003, 756721, 801234, 972927, 1030158, 1074671, 1085994, 1157338, 1201851, 1405339, 1488006, 1513442, 1628991, 1736007, 1945854, 2149342, 2232009, 2270163, 2403702, 2810678, 2918781, 3224013, 3257982, 3472014, 3605553, 4216017, 4464018, 4540326, 5208021, 5837562, 6448026, 6696027, 6810489, 7211106, 7522697, 8432034, 8756343, 9672039, 9837373, 10416042, 12648051, 13392054, 13620978, 15045394, 15624063, 17512686, 18269407, 19344078, 19674746, 20431467, 22568091, 25296102, 29016117, 29512119, 31248126, 36538814, 37944153, 40862934, 45136182, 46872189, 54808221, 58032234, 59024238, 61294401, 67704273, 75888306, 87048351, 88536357, 93744378, 109616442, 113832459, 122588802, 127885849, 135408546, 164424663, 174096702, 177072714, 203112819, 227664918, 255771698, 265609071, 328849326, 383657547, 406225638, 493273989, 531218142, 609338457, 767315094, 796827213, 986547978, 1150972641, 1218676914, 1479821967, 1593654426, 2301945282, 2959643934, 3452917923, 6905835846, 10358753769, 20717507538]

約数ペア:

[(1, 20717507538), (2, 10358753769), (3, 6905835846), (6, 3452917923), (7, 2959643934), (9, 2301945282), (13, 1593654426), (14, 1479821967), (17, 1218676914), (18, 1150972641), (21, 986547978), (26, 796827213), (27, 767315094), (34, 609338457), (39, 531218142), (42, 493273989), (51, 406225638), (54, 383657547), (63, 328849326), (78, 265609071), (81, 255771698), (91, 227664918), (102, 203112819), (117, 177072714), (119, 174096702), (126, 164424663), (153, 135408546), (162, 127885849), (169, 122588802), (182, 113832459), (189, 109616442), (221, 93744378), (234, 88536357), (238, 87048351), (273, 75888306), (306, 67704273), (338, 61294401), (351, 59024238), (357, 58032234), (378, 54808221), (442, 46872189), (459, 45136182), (507, 40862934), (546, 37944153), (567, 36538814), (663, 31248126), (702, 29512119), (714, 29016117), (819, 25296102), (918, 22568091), (1014, 20431467), (1053, 19674746), (1071, 19344078), (1134, 18269407), (1183, 17512686), (1326, 15624063), (1377, 15045394), (1521, 13620978), (1547, 13392054), (1638, 12648051), (1989, 10416042), (2106, 9837373), (2142, 9672039), (2366, 8756343), (2457, 8432034), (2754, 7522697), (2873, 7211106), (3042, 6810489), (3094, 6696027), (3213, 6448026), (3549, 5837562), (3978, 5208021), (4563, 4540326), (4641, 4464018), (4914, 4216017), (5746, 3605553), (5967, 3472014), (6359, 3257982), (6426, 3224013), (7098, 2918781), (7371, 2810678), (8619, 2403702), (9126, 2270163), (9282, 2232009), (9639, 2149342), (10647, 1945854), (11934, 1736007), (12718, 1628991), (13689, 1513442), (13923, 1488006), (14742, 1405339), (17238, 1201851), (17901, 1157338), (19077, 1085994), (19278, 1074671), (20111, 1030158), (21294, 972927), (25857, 801234), (27378, 756721), (27846, 744003), (31941, 648618), (35802, 578669), (38154, 542997), (40222, 515079), (41769, 496002), (44513, 465426), (51714, 400617), (57231, 361998), (60333, 343386), (63882, 324309), (77571, 267078), (82667, 250614), (83538, 248001), (89026, 232713), (95823, 216206), (108103, 191646), (114462, 180999), (120666, 171693), (125307, 165334), (133539, 155142)]