12785420

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{827}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 26916624

約数和(自身を除く): 14131204

約数列:

[1, 2, 4, 5, 10, 20, 773, 827, 1546, 1654, 3092, 3308, 3865, 4135, 7730, 8270, 15460, 16540, 639271, 1278542, 2557084, 3196355, 6392710, 12785420]

約数ペア:

[(1, 12785420), (2, 6392710), (4, 3196355), (5, 2557084), (10, 1278542), (20, 639271), (773, 16540), (827, 15460), (1546, 8270), (1654, 7730), (3092, 4135), (3308, 3865)]