20870410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{563}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 41176512

約数和(自身を除く): 20306102

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 337, 563, 674, 1126, 1685, 2815, 3370, 3707, 5630, 6193, 7414, 12386, 18535, 30965, 37070, 61930, 189731, 379462, 948655, 1897310, 2087041, 4174082, 10435205, 20870410]

約数ペア:

[(1, 20870410), (2, 10435205), (5, 4174082), (10, 2087041), (11, 1897310), (22, 948655), (55, 379462), (110, 189731), (337, 61930), (563, 37070), (674, 30965), (1126, 18535), (1685, 12386), (2815, 7414), (3370, 6193), (3707, 5630)]