20643370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2886

約数の個数: 32

約数和(自身を含む): 41155776

約数和(自身を除く): 20512406

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2801, 3685, 5602, 7370, 14005, 28010, 30811, 61622, 154055, 187667, 308110, 375334, 938335, 1876670, 2064337, 4128674, 10321685, 20643370]

約数ペア:

[(1, 20643370), (2, 10321685), (5, 4128674), (10, 2064337), (11, 1876670), (22, 938335), (55, 375334), (67, 308110), (110, 187667), (134, 154055), (335, 61622), (670, 30811), (737, 28010), (1474, 14005), (2801, 7370), (3685, 5602)]