17789140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52321}}^1$

素因数の和:52347

約数の個数: 24

約数和(自身を含む): 39555432

約数和(自身を除く): 21766292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 52321, 104642, 209284, 261605, 523210, 889457, 1046420, 1778914, 3557828, 4447285, 8894570, 17789140]

約数ペア:

[(1, 17789140), (2, 8894570), (4, 4447285), (5, 3557828), (10, 1778914), (17, 1046420), (20, 889457), (34, 523210), (68, 261605), (85, 209284), (170, 104642), (340, 52321)]