20026960

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4243}}^1$

素因数の和:4315

約数の個数: 40

約数和(自身を含む): 47363040

約数和(自身を除く): 27336080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4243, 4720, 8486, 16972, 21215, 33944, 42430, 67888, 84860, 169720, 250337, 339440, 500674, 1001348, 1251685, 2002696, 2503370, 4005392, 5006740, 10013480, 20026960]

約数ペア:

[(1, 20026960), (2, 10013480), (4, 5006740), (5, 4005392), (8, 2503370), (10, 2002696), (16, 1251685), (20, 1001348), (40, 500674), (59, 339440), (80, 250337), (118, 169720), (236, 84860), (295, 67888), (472, 42430), (590, 33944), (944, 21215), (1180, 16972), (2360, 8486), (4243, 4720)]