20235710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2680

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 20075074

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 2591, 3905, 5182, 7810, 12955, 25910, 28501, 57002, 142505, 183961, 285010, 367922, 919805, 1839610, 2023571, 4047142, 10117855, 20235710]

約数ペア:

[(1, 20235710), (2, 10117855), (5, 4047142), (10, 2023571), (11, 1839610), (22, 919805), (55, 367922), (71, 285010), (110, 183961), (142, 142505), (355, 57002), (710, 28501), (781, 25910), (1562, 12955), (2591, 7810), (3905, 5182)]