20197373872

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 47176668000

約数和(自身を除く): 26979294128

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 109, 116, 136, 139, 169, 208, 218, 221, 232, 272, 278, 338, 377, 436, 442, 464, 493, 556, 676, 754, 872, 884, 986, 1112, 1352, 1417, 1508, 1744, 1768, 1807, 1853, 1972, 2224, 2363, 2704, 2834, 2873, 3016, 3161, 3536, 3614, 3706, 3944, 4031, 4726, 4901, 5668, 5746, 6032, 6322, 6409, 7228, 7412, 7888, 8062, 9452, 9802, 11336, 11492, 12644, 12818, 14456, 14824, 15151, 16124, 18421, 18904, 19604, 22672, 22984, 23491, 24089, 25288, 25636, 28912, 29648, 30302, 30719, 32248, 36842, 37808, 39208, 41093, 45968, 46982, 48178, 50576, 51272, 52403, 53737, 60604, 61438, 64496, 68527, 73684, 78416, 82186, 83317, 93964, 96356, 102544, 104806, 107474, 121208, 122876, 137054, 147368, 164372, 166634, 187928, 192712, 196963, 209612, 214948, 242416, 245752, 257567, 274108, 294736, 313157, 328744, 333268, 375856, 385424, 393926, 399347, 419224, 429896, 439379, 491504, 515134, 534209, 548216, 626314, 657488, 666536, 681239, 698581, 787852, 798694, 838448, 859792, 878758, 890851, 1030268, 1068418, 1096432, 1252628, 1333072, 1362478, 1397162, 1575704, 1597388, 1757516, 1781702, 2060536, 2136836, 2505256, 2560519, 2724956, 2794324, 3151408, 3194776, 3348371, 3515032, 3563404, 4121072, 4273672, 5010512, 5121038, 5449912, 5588648, 5711927, 6389552, 6696742, 7030064, 7126808, 7469443, 8547344, 9081553, 10242076, 10899824, 11177296, 11423854, 11581063, 13393484, 14253616, 14938886, 18163106, 20484152, 22847708, 23162126, 26786968, 29877772, 36326212, 40968304, 43528823, 45695416, 46324252, 53573936, 59755544, 72652424, 74255051, 87057646, 91390832, 92648504, 97102759, 119511088, 145304848, 148510102, 174115292, 185297008, 194205518, 297020204, 348230584, 388411036, 594040408, 696461168, 776822072, 1188080816, 1262335867, 1553644144, 2524671734, 5049343468, 10098686936, 20197373872]

約数ペア:

[(1, 20197373872), (2, 10098686936), (4, 5049343468), (8, 2524671734), (13, 1553644144), (16, 1262335867), (17, 1188080816), (26, 776822072), (29, 696461168), (34, 594040408), (52, 388411036), (58, 348230584), (68, 297020204), (104, 194205518), (109, 185297008), (116, 174115292), (136, 148510102), (139, 145304848), (169, 119511088), (208, 97102759), (218, 92648504), (221, 91390832), (232, 87057646), (272, 74255051), (278, 72652424), (338, 59755544), (377, 53573936), (436, 46324252), (442, 45695416), (464, 43528823), (493, 40968304), (556, 36326212), (676, 29877772), (754, 26786968), (872, 23162126), (884, 22847708), (986, 20484152), (1112, 18163106), (1352, 14938886), (1417, 14253616), (1508, 13393484), (1744, 11581063), (1768, 11423854), (1807, 11177296), (1853, 10899824), (1972, 10242076), (2224, 9081553), (2363, 8547344), (2704, 7469443), (2834, 7126808), (2873, 7030064), (3016, 6696742), (3161, 6389552), (3536, 5711927), (3614, 5588648), (3706, 5449912), (3944, 5121038), (4031, 5010512), (4726, 4273672), (4901, 4121072), (5668, 3563404), (5746, 3515032), (6032, 3348371), (6322, 3194776), (6409, 3151408), (7228, 2794324), (7412, 2724956), (7888, 2560519), (8062, 2505256), (9452, 2136836), (9802, 2060536), (11336, 1781702), (11492, 1757516), (12644, 1597388), (12818, 1575704), (14456, 1397162), (14824, 1362478), (15151, 1333072), (16124, 1252628), (18421, 1096432), (18904, 1068418), (19604, 1030268), (22672, 890851), (22984, 878758), (23491, 859792), (24089, 838448), (25288, 798694), (25636, 787852), (28912, 698581), (29648, 681239), (30302, 666536), (30719, 657488), (32248, 626314), (36842, 548216), (37808, 534209), (39208, 515134), (41093, 491504), (45968, 439379), (46982, 429896), (48178, 419224), (50576, 399347), (51272, 393926), (52403, 385424), (53737, 375856), (60604, 333268), (61438, 328744), (64496, 313157), (68527, 294736), (73684, 274108), (78416, 257567), (82186, 245752), (83317, 242416), (93964, 214948), (96356, 209612), (102544, 196963), (104806, 192712), (107474, 187928), (121208, 166634), (122876, 164372), (137054, 147368)]