20373140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59921}}^1$

素因数の和:59947

約数の個数: 24

約数和(自身を含む): 45301032

約数和(自身を除く): 24927892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59921, 119842, 239684, 299605, 599210, 1018657, 1198420, 2037314, 4074628, 5093285, 10186570, 20373140]

約数ペア:

[(1, 20373140), (2, 10186570), (4, 5093285), (5, 4074628), (10, 2037314), (17, 1198420), (20, 1018657), (34, 599210), (68, 299605), (85, 239684), (170, 119842), (340, 59921)]