20393506

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12241}}^1$

素因数の和:12274

約数の個数: 24

約数和(自身を含む): 37680876

約数和(自身を除く): 17287370

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12241, 24482, 85687, 171374, 208097, 416194, 599809, 1199618, 1456679, 2913358, 10196753, 20393506]

約数ペア:

[(1, 20393506), (2, 10196753), (7, 2913358), (14, 1456679), (17, 1199618), (34, 599809), (49, 416194), (98, 208097), (119, 171374), (238, 85687), (833, 24482), (1666, 12241)]