20178592020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12455921}}^1$

素因数の和:12455942

約数の個数: 60

約数和(自身を含む): 63300995604

約数和(自身を除く): 43122403584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12455921, 24911842, 37367763, 49823684, 62279605, 74735526, 112103289, 124559210, 149471052, 186838815, 224206578, 249118420, 336309867, 373677630, 448413156, 560516445, 672619734, 747355260, 1008929601, 1121032890, 1345239468, 1681549335, 2017859202, 2242065780, 3363098670, 4035718404, 5044648005, 6726197340, 10089296010, 20178592020]

約数ペア:

[(1, 20178592020), (2, 10089296010), (3, 6726197340), (4, 5044648005), (5, 4035718404), (6, 3363098670), (9, 2242065780), (10, 2017859202), (12, 1681549335), (15, 1345239468), (18, 1121032890), (20, 1008929601), (27, 747355260), (30, 672619734), (36, 560516445), (45, 448413156), (54, 373677630), (60, 336309867), (81, 249118420), (90, 224206578), (108, 186838815), (135, 149471052), (162, 124559210), (180, 112103289), (270, 74735526), (324, 62279605), (405, 49823684), (540, 37367763), (810, 24911842), (1620, 12455921)]