20436860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24923}}^1$

素因数の和:24973

約数の個数: 24

約数和(自身を含む): 43965936

約数和(自身を除く): 23529076

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24923, 49846, 99692, 124615, 249230, 498460, 1021843, 2043686, 4087372, 5109215, 10218430, 20436860]

約数ペア:

[(1, 20436860), (2, 10218430), (4, 5109215), (5, 4087372), (10, 2043686), (20, 1021843), (41, 498460), (82, 249230), (164, 124615), (205, 99692), (410, 49846), (820, 24923)]