20180504968

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{55079}}^1$

素因数の和:55382

約数の個数: 48

約数和(自身を含む): 41124931200

約数和(自身を除く): 20944426232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 271, 338, 542, 676, 1084, 1352, 2168, 3523, 7046, 14092, 28184, 45799, 55079, 91598, 110158, 183196, 220316, 366392, 440632, 716027, 1432054, 2864108, 5728216, 9308351, 14926409, 18616702, 29852818, 37233404, 59705636, 74466808, 119411272, 194043317, 388086634, 776173268, 1552346536, 2522563121, 5045126242, 10090252484, 20180504968]

約数ペア:

[(1, 20180504968), (2, 10090252484), (4, 5045126242), (8, 2522563121), (13, 1552346536), (26, 776173268), (52, 388086634), (104, 194043317), (169, 119411272), (271, 74466808), (338, 59705636), (542, 37233404), (676, 29852818), (1084, 18616702), (1352, 14926409), (2168, 9308351), (3523, 5728216), (7046, 2864108), (14092, 1432054), (28184, 716027), (45799, 440632), (55079, 366392), (91598, 220316), (110158, 183196)]