20170290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 55802880

約数和(自身を除く): 35632590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 691, 695, 834, 973, 1382, 1390, 1946, 2073, 2085, 2919, 3455, 4146, 4170, 4837, 4865, 5838, 6910, 9674, 9730, 10365, 14511, 14595, 20730, 24185, 29022, 29190, 48370, 72555, 96049, 145110, 192098, 288147, 480245, 576294, 672343, 960490, 1344686, 1440735, 2017029, 2881470, 3361715, 4034058, 6723430, 10085145, 20170290]

約数ペア:

[(1, 20170290), (2, 10085145), (3, 6723430), (5, 4034058), (6, 3361715), (7, 2881470), (10, 2017029), (14, 1440735), (15, 1344686), (21, 960490), (30, 672343), (35, 576294), (42, 480245), (70, 288147), (105, 192098), (139, 145110), (210, 96049), (278, 72555), (417, 48370), (691, 29190), (695, 29022), (834, 24185), (973, 20730), (1382, 14595), (1390, 14511), (1946, 10365), (2073, 9730), (2085, 9674), (2919, 6910), (3455, 5838), (4146, 4865), (4170, 4837)]