20197130408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{211781}}^1$

素因数の和:211938

約数の個数: 64

約数和(自身を含む): 46964776320

約数和(自身を除く): 26767645912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 524, 728, 917, 1048, 1703, 1834, 3406, 3668, 6812, 7336, 11921, 13624, 23842, 47684, 95368, 211781, 423562, 847124, 1482467, 1694248, 2753153, 2964934, 5506306, 5929868, 11012612, 11859736, 19272071, 22025224, 27743311, 38544142, 55486622, 77088284, 110973244, 154176568, 194203177, 221946488, 360663043, 388406354, 721326086, 776812708, 1442652172, 1553625416, 2524641301, 2885304344, 5049282602, 10098565204, 20197130408]

約数ペア:

[(1, 20197130408), (2, 10098565204), (4, 5049282602), (7, 2885304344), (8, 2524641301), (13, 1553625416), (14, 1442652172), (26, 776812708), (28, 721326086), (52, 388406354), (56, 360663043), (91, 221946488), (104, 194203177), (131, 154176568), (182, 110973244), (262, 77088284), (364, 55486622), (524, 38544142), (728, 27743311), (917, 22025224), (1048, 19272071), (1703, 11859736), (1834, 11012612), (3406, 5929868), (3668, 5506306), (6812, 2964934), (7336, 2753153), (11921, 1694248), (13624, 1482467), (23842, 847124), (47684, 423562), (95368, 211781)]