20219960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17431}}^1$

素因数の和:17471

約数の個数: 32

約数和(自身を含む): 47066400

約数和(自身を除く): 26846440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17431, 34862, 69724, 87155, 139448, 174310, 348620, 505499, 697240, 1010998, 2021996, 2527495, 4043992, 5054990, 10109980, 20219960]

約数ペア:

[(1, 20219960), (2, 10109980), (4, 5054990), (5, 4043992), (8, 2527495), (10, 2021996), (20, 1010998), (29, 697240), (40, 505499), (58, 348620), (116, 174310), (145, 139448), (232, 87155), (290, 69724), (580, 34862), (1160, 17431)]