20125770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13691}}^1$

素因数の和:13715

約数の個数: 48

約数和(自身を含む): 56191968

約数和(自身を除く): 36066198

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13691, 27382, 41073, 68455, 82146, 95837, 136910, 191674, 205365, 287511, 410730, 479185, 575022, 670859, 958370, 1341718, 1437555, 2012577, 2875110, 3354295, 4025154, 6708590, 10062885, 20125770]

約数ペア:

[(1, 20125770), (2, 10062885), (3, 6708590), (5, 4025154), (6, 3354295), (7, 2875110), (10, 2012577), (14, 1437555), (15, 1341718), (21, 958370), (30, 670859), (35, 575022), (42, 479185), (49, 410730), (70, 287511), (98, 205365), (105, 191674), (147, 136910), (210, 95837), (245, 82146), (294, 68455), (490, 41073), (735, 27382), (1470, 13691)]