20199291980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144280657}}^1$

素因数の和:144280673

約数の個数: 24

約数和(自身を含む): 48478301088

約数和(自身を除く): 28279009108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144280657, 288561314, 577122628, 721403285, 1009964599, 1442806570, 2019929198, 2885613140, 4039858396, 5049822995, 10099645990, 20199291980]

約数ペア:

[(1, 20199291980), (2, 10099645990), (4, 5049822995), (5, 4039858396), (7, 2885613140), (10, 2019929198), (14, 1442806570), (20, 1009964599), (28, 721403285), (35, 577122628), (70, 288561314), (140, 144280657)]