20475912

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19841}}^1$

素因数の和:19893

約数の個数: 32

約数和(自身を含む): 52382880

約数和(自身を除く): 31906968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19841, 39682, 59523, 79364, 119046, 158728, 238092, 476184, 853163, 1706326, 2559489, 3412652, 5118978, 6825304, 10237956, 20475912]

約数ペア:

[(1, 20475912), (2, 10237956), (3, 6825304), (4, 5118978), (6, 3412652), (8, 2559489), (12, 1706326), (24, 853163), (43, 476184), (86, 238092), (129, 158728), (172, 119046), (258, 79364), (344, 59523), (516, 39682), (1032, 19841)]