20429120

素因数分解:

$2^6\times 5^1\times {\mathrm{63841}}^1$

素因数の和:63858

約数の個数: 28

約数和(自身を含む): 48647604

約数和(自身を除く): 28218484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63841, 127682, 255364, 319205, 510728, 638410, 1021456, 1276820, 2042912, 2553640, 4085824, 5107280, 10214560, 20429120]

約数ペア:

[(1, 20429120), (2, 10214560), (4, 5107280), (5, 4085824), (8, 2553640), (10, 2042912), (16, 1276820), (20, 1021456), (32, 638410), (40, 510728), (64, 319205), (80, 255364), (160, 127682), (320, 63841)]