17879420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68767}}^1$

素因数の和:68789

約数の個数: 24

約数和(自身を含む): 40435584

約数和(自身を除く): 22556164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68767, 137534, 275068, 343835, 687670, 893971, 1375340, 1787942, 3575884, 4469855, 8939710, 17879420]

約数ペア:

[(1, 17879420), (2, 8939710), (4, 4469855), (5, 3575884), (10, 1787942), (13, 1375340), (20, 893971), (26, 687670), (52, 343835), (65, 275068), (130, 137534), (260, 68767)]