20228119808

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{33581}}^1$

素因数の和:33791

約数の個数: 72

約数和(自身を含む): 43724704296

約数和(自身を除く): 23496584488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 181, 208, 256, 362, 416, 724, 832, 1448, 1664, 2353, 2896, 3328, 4706, 5792, 9412, 11584, 18824, 23168, 33581, 37648, 46336, 67162, 75296, 134324, 150592, 268648, 301184, 436553, 537296, 602368, 873106, 1074592, 1746212, 2149184, 3492424, 4298368, 6078161, 6984848, 8596736, 12156322, 13969696, 24312644, 27939392, 48625288, 55878784, 79016093, 97250576, 111757568, 158032186, 194501152, 316064372, 389002304, 632128744, 778004608, 1264257488, 1556009216, 2528514976, 5057029952, 10114059904, 20228119808]

約数ペア:

[(1, 20228119808), (2, 10114059904), (4, 5057029952), (8, 2528514976), (13, 1556009216), (16, 1264257488), (26, 778004608), (32, 632128744), (52, 389002304), (64, 316064372), (104, 194501152), (128, 158032186), (181, 111757568), (208, 97250576), (256, 79016093), (362, 55878784), (416, 48625288), (724, 27939392), (832, 24312644), (1448, 13969696), (1664, 12156322), (2353, 8596736), (2896, 6984848), (3328, 6078161), (4706, 4298368), (5792, 3492424), (9412, 2149184), (11584, 1746212), (18824, 1074592), (23168, 873106), (33581, 602368), (37648, 537296), (46336, 436553), (67162, 301184), (75296, 268648), (134324, 150592)]