20996475240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13459279}}^1$

素因数の和:13459306

約数の個数: 64

約数和(自身を含む): 67834771200

約数和(自身を除く): 46838295960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13459279, 26918558, 40377837, 53837116, 67296395, 80755674, 107674232, 134592790, 161511348, 174970627, 201889185, 269185580, 323022696, 349941254, 403778370, 524911881, 538371160, 699882508, 807556740, 874853135, 1049823762, 1399765016, 1615113480, 1749706270, 2099647524, 2624559405, 3499412540, 4199295048, 5249118810, 6998825080, 10498237620, 20996475240]

約数ペア:

[(1, 20996475240), (2, 10498237620), (3, 6998825080), (4, 5249118810), (5, 4199295048), (6, 3499412540), (8, 2624559405), (10, 2099647524), (12, 1749706270), (13, 1615113480), (15, 1399765016), (20, 1049823762), (24, 874853135), (26, 807556740), (30, 699882508), (39, 538371160), (40, 524911881), (52, 403778370), (60, 349941254), (65, 323022696), (78, 269185580), (104, 201889185), (120, 174970627), (130, 161511348), (156, 134592790), (195, 107674232), (260, 80755674), (312, 67296395), (390, 53837116), (520, 40377837), (780, 26918558), (1560, 13459279)]