81742020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1362367}}^1$

素因数の和:1362379

約数の個数: 24

約数和(自身を含む): 228877824

約数和(自身を除く): 147135804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1362367, 2724734, 4087101, 5449468, 6811835, 8174202, 13623670, 16348404, 20435505, 27247340, 40871010, 81742020]

約数ペア:

[(1, 81742020), (2, 40871010), (3, 27247340), (4, 20435505), (5, 16348404), (6, 13623670), (10, 8174202), (12, 6811835), (15, 5449468), (20, 4087101), (30, 2724734), (60, 1362367)]