20120003360

素因数分解:

$2^5\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{98473}}^1$

素因数の和:99765

約数の個数: 48

約数和(自身を含む): 47571213816

約数和(自身を除く): 27451210456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1277, 2554, 5108, 6385, 10216, 12770, 20432, 25540, 40864, 51080, 98473, 102160, 196946, 204320, 393892, 492365, 787784, 984730, 1575568, 1969460, 3151136, 3938920, 7877840, 15755680, 125750021, 251500042, 503000084, 628750105, 1006000168, 1257500210, 2012000336, 2515000420, 4024000672, 5030000840, 10060001680, 20120003360]

約数ペア:

[(1, 20120003360), (2, 10060001680), (4, 5030000840), (5, 4024000672), (8, 2515000420), (10, 2012000336), (16, 1257500210), (20, 1006000168), (32, 628750105), (40, 503000084), (80, 251500042), (160, 125750021), (1277, 15755680), (2554, 7877840), (5108, 3938920), (6385, 3151136), (10216, 1969460), (12770, 1575568), (20432, 984730), (25540, 787784), (40864, 492365), (51080, 393892), (98473, 204320), (102160, 196946)]