20172596140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1\times {\mathrm{28051}}^1$

素因数の和:28978

約数の個数: 48

約数和(自身を含む): 43446713184

約数和(自身を除く): 23274117044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 877, 1754, 3508, 4385, 8770, 17540, 28051, 35957, 56102, 71914, 112204, 140255, 143828, 179785, 280510, 359570, 561020, 719140, 1150091, 2300182, 4600364, 5750455, 11500910, 23001820, 24600727, 49201454, 98402908, 123003635, 246007270, 492014540, 1008629807, 2017259614, 4034519228, 5043149035, 10086298070, 20172596140]

約数ペア:

[(1, 20172596140), (2, 10086298070), (4, 5043149035), (5, 4034519228), (10, 2017259614), (20, 1008629807), (41, 492014540), (82, 246007270), (164, 123003635), (205, 98402908), (410, 49201454), (820, 24600727), (877, 23001820), (1754, 11500910), (3508, 5750455), (4385, 4600364), (8770, 2300182), (17540, 1150091), (28051, 719140), (35957, 561020), (56102, 359570), (71914, 280510), (112204, 179785), (140255, 143828)]