4457420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20261}}^1$

素因数の和:20281

約数の個数: 24

約数和(自身を含む): 10212048

約数和(自身を除く): 5754628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 20261, 40522, 81044, 101305, 202610, 222871, 405220, 445742, 891484, 1114355, 2228710, 4457420]

約数ペア:

[(1, 4457420), (2, 2228710), (4, 1114355), (5, 891484), (10, 445742), (11, 405220), (20, 222871), (22, 202610), (44, 101305), (55, 81044), (110, 40522), (220, 20261)]