20617416

素因数分解:

$2^3\times 3^4\times {\mathrm{31817}}^1$

素因数の和:31835

約数の個数: 40

約数和(自身を含む): 57749670

約数和(自身を除く): 37132254

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31817, 63634, 95451, 127268, 190902, 254536, 286353, 381804, 572706, 763608, 859059, 1145412, 1718118, 2290824, 2577177, 3436236, 5154354, 6872472, 10308708, 20617416]

約数ペア:

[(1, 20617416), (2, 10308708), (3, 6872472), (4, 5154354), (6, 3436236), (8, 2577177), (9, 2290824), (12, 1718118), (18, 1145412), (24, 859059), (27, 763608), (36, 572706), (54, 381804), (72, 286353), (81, 254536), (108, 190902), (162, 127268), (216, 95451), (324, 63634), (648, 31817)]