20602076

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5261}}^1$

素因数の和:5365

約数の個数: 24

約数和(自身を含む): 39780720

約数和(自身を除く): 19178644

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5261, 10522, 21044, 57871, 115742, 231484, 468229, 936458, 1872916, 5150519, 10301038, 20602076]

約数ペア:

[(1, 20602076), (2, 10301038), (4, 5150519), (11, 1872916), (22, 936458), (44, 468229), (89, 231484), (178, 115742), (356, 57871), (979, 21044), (1958, 10522), (3916, 5261)]