20587270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{887}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 40663296

約数和(自身を除く): 20076026

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 887, 1055, 1774, 2110, 2321, 4435, 4642, 8870, 9757, 11605, 19514, 23210, 48785, 97570, 187157, 374314, 935785, 1871570, 2058727, 4117454, 10293635, 20587270]

約数ペア:

[(1, 20587270), (2, 10293635), (5, 4117454), (10, 2058727), (11, 1871570), (22, 935785), (55, 374314), (110, 187157), (211, 97570), (422, 48785), (887, 23210), (1055, 19514), (1774, 11605), (2110, 9757), (2321, 8870), (4435, 4642)]