20178262090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1\times {\mathrm{2347}}^1$

素因数の和:3091

約数の個数: 64

約数和(自身を含む): 41774413824

約数和(自身を除く): 21596151734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 467, 526, 934, 1315, 1841, 2335, 2347, 2630, 3269, 3682, 4670, 4694, 6538, 9205, 11735, 16345, 16429, 18410, 23470, 32690, 32858, 82145, 122821, 164290, 245642, 614105, 617261, 859747, 1096049, 1228210, 1234522, 1719494, 2192098, 3086305, 4298735, 4320827, 5480245, 6172610, 7672343, 8597470, 8641654, 10960490, 15344686, 21604135, 38361715, 43208270, 76723430, 288260887, 576521774, 1441304435, 2017826209, 2882608870, 4035652418, 10089131045, 20178262090]

約数ペア:

[(1, 20178262090), (2, 10089131045), (5, 4035652418), (7, 2882608870), (10, 2017826209), (14, 1441304435), (35, 576521774), (70, 288260887), (263, 76723430), (467, 43208270), (526, 38361715), (934, 21604135), (1315, 15344686), (1841, 10960490), (2335, 8641654), (2347, 8597470), (2630, 7672343), (3269, 6172610), (3682, 5480245), (4670, 4320827), (4694, 4298735), (6538, 3086305), (9205, 2192098), (11735, 1719494), (16345, 1234522), (16429, 1228210), (18410, 1096049), (23470, 859747), (32690, 617261), (32858, 614105), (82145, 245642), (122821, 164290)]