20203840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3359

約数の個数: 56

約数和(自身を含む): 50657760

約数和(自身を除く): 30453920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3323, 6080, 6646, 13292, 16615, 26584, 33230, 53168, 63137, 66460, 106336, 126274, 132920, 212672, 252548, 265840, 315685, 505096, 531680, 631370, 1010192, 1063360, 1262740, 2020384, 2525480, 4040768, 5050960, 10101920, 20203840]

約数ペア:

[(1, 20203840), (2, 10101920), (4, 5050960), (5, 4040768), (8, 2525480), (10, 2020384), (16, 1262740), (19, 1063360), (20, 1010192), (32, 631370), (38, 531680), (40, 505096), (64, 315685), (76, 265840), (80, 252548), (95, 212672), (152, 132920), (160, 126274), (190, 106336), (304, 66460), (320, 63137), (380, 53168), (608, 33230), (760, 26584), (1216, 16615), (1520, 13292), (3040, 6646), (3323, 6080)]