20783576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4003}}^1$

素因数の和:4079

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22459624

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 4003, 5192, 8006, 16012, 32024, 44033, 88066, 176132, 236177, 352264, 472354, 944708, 1889416, 2597947, 5195894, 10391788, 20783576]

約数ペア:

[(1, 20783576), (2, 10391788), (4, 5195894), (8, 2597947), (11, 1889416), (22, 944708), (44, 472354), (59, 352264), (88, 236177), (118, 176132), (236, 88066), (472, 44033), (649, 32024), (1298, 16012), (2596, 8006), (4003, 5192)]