16440820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{74731}}^1$

素因数の和:74751

約数の個数: 24

約数和(自身を含む): 37664928

約数和(自身を除く): 21224108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 74731, 149462, 298924, 373655, 747310, 822041, 1494620, 1644082, 3288164, 4110205, 8220410, 16440820]

約数ペア:

[(1, 16440820), (2, 8220410), (4, 4110205), (5, 3288164), (10, 1644082), (11, 1494620), (20, 822041), (22, 747310), (44, 373655), (55, 298924), (110, 149462), (220, 74731)]