20403520

素因数分解:

$2^6\times 5^1\times {\mathrm{63761}}^1$

素因数の和:63778

約数の個数: 28

約数和(自身を含む): 48586644

約数和(自身を除く): 28183124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 63761, 127522, 255044, 318805, 510088, 637610, 1020176, 1275220, 2040352, 2550440, 4080704, 5100880, 10201760, 20403520]

約数ペア:

[(1, 20403520), (2, 10201760), (4, 5100880), (5, 4080704), (8, 2550440), (10, 2040352), (16, 1275220), (20, 1020176), (32, 637610), (40, 510088), (64, 318805), (80, 255044), (160, 127522), (320, 63761)]