20101784996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{267439}}^1$

素因数の和:267528

約数の個数: 48

約数和(自身を含む): 39538329600

約数和(自身を除く): 19436544604

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 437, 817, 874, 989, 1634, 1748, 1978, 3268, 3956, 18791, 37582, 75164, 267439, 534878, 1069756, 5081341, 6151097, 10162682, 11499877, 12302194, 20325364, 22999754, 24604388, 45999508, 116870843, 218497663, 233741686, 264497171, 436995326, 467483372, 528994342, 873990652, 1057988684, 5025446249, 10050892498, 20101784996]

約数ペア:

[(1, 20101784996), (2, 10050892498), (4, 5025446249), (19, 1057988684), (23, 873990652), (38, 528994342), (43, 467483372), (46, 436995326), (76, 264497171), (86, 233741686), (92, 218497663), (172, 116870843), (437, 45999508), (817, 24604388), (874, 22999754), (989, 20325364), (1634, 12302194), (1748, 11499877), (1978, 10162682), (3268, 6151097), (3956, 5081341), (18791, 1069756), (37582, 534878), (75164, 267439)]