20138657480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13607201}}^1$

素因数の和:13607249

約数の個数: 32

約数和(自身を含む): 46536630840

約数和(自身を除く): 26397973360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13607201, 27214402, 54428804, 68036005, 108857608, 136072010, 272144020, 503466437, 544288040, 1006932874, 2013865748, 2517332185, 4027731496, 5034664370, 10069328740, 20138657480]

約数ペア:

[(1, 20138657480), (2, 10069328740), (4, 5034664370), (5, 4027731496), (8, 2517332185), (10, 2013865748), (20, 1006932874), (37, 544288040), (40, 503466437), (74, 272144020), (148, 136072010), (185, 108857608), (296, 68036005), (370, 54428804), (740, 27214402), (1480, 13607201)]