20919832

素因数分解:

$2^3\times {\mathrm{79}}^2\times {\mathrm{419}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 39822300

約数和(自身を除く): 18902468

約数列:

[1, 2, 4, 8, 79, 158, 316, 419, 632, 838, 1676, 3352, 6241, 12482, 24964, 33101, 49928, 66202, 132404, 264808, 2614979, 5229958, 10459916, 20919832]

約数ペア:

[(1, 20919832), (2, 10459916), (4, 5229958), (8, 2614979), (79, 264808), (158, 132404), (316, 66202), (419, 49928), (632, 33101), (838, 24964), (1676, 12482), (3352, 6241)]