20314280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72551}}^1$

素因数の和:72569

約数の個数: 32

約数和(自身を含む): 52237440

約数和(自身を除く): 31923160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72551, 145102, 290204, 362755, 507857, 580408, 725510, 1015714, 1451020, 2031428, 2539285, 2902040, 4062856, 5078570, 10157140, 20314280]

約数ペア:

[(1, 20314280), (2, 10157140), (4, 5078570), (5, 4062856), (7, 2902040), (8, 2539285), (10, 2031428), (14, 1451020), (20, 1015714), (28, 725510), (35, 580408), (40, 507857), (56, 362755), (70, 290204), (140, 145102), (280, 72551)]