20018583310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{647641}}^1$

素因数の和:647940

約数の個数: 32

約数和(自身を含む): 39449169504

約数和(自身を除く): 19430586194

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 1405, 2810, 3091, 6182, 15455, 30910, 647641, 1295282, 3238205, 6476410, 7124051, 14248102, 35620255, 71240510, 181987121, 363974242, 909935605, 1819871210, 2001858331, 4003716662, 10009291655, 20018583310]

約数ペア:

[(1, 20018583310), (2, 10009291655), (5, 4003716662), (10, 2001858331), (11, 1819871210), (22, 909935605), (55, 363974242), (110, 181987121), (281, 71240510), (562, 35620255), (1405, 14248102), (2810, 7124051), (3091, 6476410), (6182, 3238205), (15455, 1295282), (30910, 647641)]