20487176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1553}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 41118840

約数和(自身を除く): 20631664

約数列:

[1, 2, 4, 8, 17, 34, 68, 97, 136, 194, 388, 776, 1553, 1649, 3106, 3298, 6212, 6596, 12424, 13192, 26401, 52802, 105604, 150641, 211208, 301282, 602564, 1205128, 2560897, 5121794, 10243588, 20487176]

約数ペア:

[(1, 20487176), (2, 10243588), (4, 5121794), (8, 2560897), (17, 1205128), (34, 602564), (68, 301282), (97, 211208), (136, 150641), (194, 105604), (388, 52802), (776, 26401), (1553, 13192), (1649, 12424), (3106, 6596), (3298, 6212)]