20537090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4019}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 42837120

約数和(自身を除く): 22300030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4019, 5110, 8038, 20095, 28133, 40190, 56266, 140665, 281330, 293387, 586774, 1466935, 2053709, 2933870, 4107418, 10268545, 20537090]

約数ペア:

[(1, 20537090), (2, 10268545), (5, 4107418), (7, 2933870), (10, 2053709), (14, 1466935), (35, 586774), (70, 293387), (73, 281330), (146, 140665), (365, 56266), (511, 40190), (730, 28133), (1022, 20095), (2555, 8038), (4019, 5110)]