20101070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4457}}^1$

素因数の和:4516

約数の個数: 32

約数和(自身を含む): 40442976

約数和(自身を除く): 20341906

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4457, 4510, 8914, 22285, 44570, 49027, 98054, 182737, 245135, 365474, 490270, 913685, 1827370, 2010107, 4020214, 10050535, 20101070]

約数ペア:

[(1, 20101070), (2, 10050535), (5, 4020214), (10, 2010107), (11, 1827370), (22, 913685), (41, 490270), (55, 365474), (82, 245135), (110, 182737), (205, 98054), (410, 49027), (451, 44570), (902, 22285), (2255, 8914), (4457, 4510)]