20194708439380

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5640980011}}^1$

素因数の和:5640980199

約数の個数: 24

約数和(自身を含む): 42645808890720

約数和(自身を除く): 22451100451340

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5640980011, 11281960022, 22563920044, 28204900055, 56409800110, 112819600220, 1009735421969, 2019470843938, 4038941687876, 5048677109845, 10097354219690, 20194708439380]

約数ペア:

[(1, 20194708439380), (2, 10097354219690), (4, 5048677109845), (5, 4038941687876), (10, 2019470843938), (20, 1009735421969), (179, 112819600220), (358, 56409800110), (716, 28204900055), (895, 22563920044), (1790, 11281960022), (3580, 5640980011)]