15730420

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{3527}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 33191424

約数和(自身を除く): 17461004

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 3527, 4460, 7054, 14108, 17635, 35270, 70540, 786521, 1573042, 3146084, 3932605, 7865210, 15730420]

約数ペア:

[(1, 15730420), (2, 7865210), (4, 3932605), (5, 3146084), (10, 1573042), (20, 786521), (223, 70540), (446, 35270), (892, 17635), (1115, 14108), (2230, 7054), (3527, 4460)]