20210909672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1290937}}^1$

素因数の和:1291065

約数の個数: 32

約数和(自身を含む): 40277265600

約数和(自身を除く): 20066355928

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 3914, 7828, 15656, 1290937, 2581874, 5163748, 10327496, 24527803, 49055606, 98111212, 132966511, 196222424, 265933022, 531866044, 1063732088, 2526363709, 5052727418, 10105454836, 20210909672]

約数ペア:

[(1, 20210909672), (2, 10105454836), (4, 5052727418), (8, 2526363709), (19, 1063732088), (38, 531866044), (76, 265933022), (103, 196222424), (152, 132966511), (206, 98111212), (412, 49055606), (824, 24527803), (1957, 10327496), (3914, 5163748), (7828, 2581874), (15656, 1290937)]