1997020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 4330368

約数和(自身を除く): 2333348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3221, 6442, 12884, 16105, 32210, 64420, 99851, 199702, 399404, 499255, 998510, 1997020]

約数ペア:

[(1, 1997020), (2, 998510), (4, 499255), (5, 399404), (10, 199702), (20, 99851), (31, 64420), (62, 32210), (124, 16105), (155, 12884), (310, 6442), (620, 3221)]