20008767460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90948943}}^1$

素因数の和:90948963

約数の個数: 24

約数和(自身を含む): 45838267776

約数和(自身を除く): 25829500316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 90948943, 181897886, 363795772, 454744715, 909489430, 1000438373, 1818978860, 2000876746, 4001753492, 5002191865, 10004383730, 20008767460]

約数ペア:

[(1, 20008767460), (2, 10004383730), (4, 5002191865), (5, 4001753492), (10, 2000876746), (11, 1818978860), (20, 1000438373), (22, 909489430), (44, 454744715), (55, 363795772), (110, 181897886), (220, 90948943)]