20226680

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3691}}^1$

素因数の和:3839

約数の個数: 32

約数和(自身を含む): 45854640

約数和(自身を除く): 25627960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3691, 5480, 7382, 14764, 18455, 29528, 36910, 73820, 147640, 505667, 1011334, 2022668, 2528335, 4045336, 5056670, 10113340, 20226680]

約数ペア:

[(1, 20226680), (2, 10113340), (4, 5056670), (5, 4045336), (8, 2528335), (10, 2022668), (20, 1011334), (40, 505667), (137, 147640), (274, 73820), (548, 36910), (685, 29528), (1096, 18455), (1370, 14764), (2740, 7382), (3691, 5480)]