20120683480

素因数分解:

$2^3\times 5^1\times {\mathrm{4091}}^1\times {\mathrm{122957}}^1$

素因数の和:127059

約数の個数: 32

約数和(自身を含む): 45282972240

約数和(自身を除く): 25162288760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4091, 8182, 16364, 20455, 32728, 40910, 81820, 122957, 163640, 245914, 491828, 614785, 983656, 1229570, 2459140, 4918280, 503017087, 1006034174, 2012068348, 2515085435, 4024136696, 5030170870, 10060341740, 20120683480]

約数ペア:

[(1, 20120683480), (2, 10060341740), (4, 5030170870), (5, 4024136696), (8, 2515085435), (10, 2012068348), (20, 1006034174), (40, 503017087), (4091, 4918280), (8182, 2459140), (16364, 1229570), (20455, 983656), (32728, 614785), (40910, 491828), (81820, 245914), (122957, 163640)]