2020409840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1329217}}^1$

素因数の和:1329249

約数の個数: 40

約数和(自身を含む): 4944690960

約数和(自身を除く): 2924281120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1329217, 2658434, 5316868, 6646085, 10633736, 13292170, 21267472, 25255123, 26584340, 50510246, 53168680, 101020492, 106337360, 126275615, 202040984, 252551230, 404081968, 505102460, 1010204920, 2020409840]

約数ペア:

[(1, 2020409840), (2, 1010204920), (4, 505102460), (5, 404081968), (8, 252551230), (10, 202040984), (16, 126275615), (19, 106337360), (20, 101020492), (38, 53168680), (40, 50510246), (76, 26584340), (80, 25255123), (95, 21267472), (152, 13292170), (190, 10633736), (304, 6646085), (380, 5316868), (760, 2658434), (1520, 1329217)]