20870393110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{563}}^1\times {\mathrm{75653}}^1$

素因数の和:76237

約数の個数: 48

約数和(自身を含む): 43778246256

約数和(自身を除く): 22907853146

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 563, 1126, 2815, 3941, 5630, 7882, 19705, 27587, 39410, 55174, 75653, 137935, 151306, 275870, 378265, 529571, 756530, 1059142, 2647855, 3706997, 5295710, 7413994, 18534985, 37069970, 42592639, 85185278, 212963195, 298148473, 425926390, 596296946, 1490742365, 2087039311, 2981484730, 4174078622, 10435196555, 20870393110]

約数ペア:

[(1, 20870393110), (2, 10435196555), (5, 4174078622), (7, 2981484730), (10, 2087039311), (14, 1490742365), (35, 596296946), (49, 425926390), (70, 298148473), (98, 212963195), (245, 85185278), (490, 42592639), (563, 37069970), (1126, 18534985), (2815, 7413994), (3941, 5295710), (5630, 3706997), (7882, 2647855), (19705, 1059142), (27587, 756530), (39410, 529571), (55174, 378265), (75653, 275870), (137935, 151306)]