20889844

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 37503648

約数和(自身を除く): 16613804

約数列:

[1, 2, 4, 53, 106, 211, 212, 422, 467, 844, 934, 1868, 11183, 22366, 24751, 44732, 49502, 98537, 99004, 197074, 394148, 5222461, 10444922, 20889844]

約数ペア:

[(1, 20889844), (2, 10444922), (4, 5222461), (53, 394148), (106, 197074), (211, 99004), (212, 98537), (422, 49502), (467, 44732), (844, 24751), (934, 22366), (1868, 11183)]