20171279054

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{17581}}^1$

素因数の和:17988

約数の個数: 32

約数和(自身を含む): 32259453600

約数和(自身を除く): 12088174546

約数列:

[1, 2, 19, 38, 109, 218, 277, 554, 2071, 4142, 5263, 10526, 17581, 30193, 35162, 60386, 334039, 573667, 668078, 1147334, 1916329, 3832658, 4869937, 9739874, 36410251, 72820502, 92528803, 185057606, 530823133, 1061646266, 10085639527, 20171279054]

約数ペア:

[(1, 20171279054), (2, 10085639527), (19, 1061646266), (38, 530823133), (109, 185057606), (218, 92528803), (277, 72820502), (554, 36410251), (2071, 9739874), (4142, 4869937), (5263, 3832658), (10526, 1916329), (17581, 1147334), (30193, 668078), (35162, 573667), (60386, 334039)]