20645284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{773}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 18884444

約数列:

[1, 2, 4, 11, 22, 44, 607, 773, 1214, 1546, 2428, 3092, 6677, 8503, 13354, 17006, 26708, 34012, 469211, 938422, 1876844, 5161321, 10322642, 20645284]

約数ペア:

[(1, 20645284), (2, 10322642), (4, 5161321), (11, 1876844), (22, 938422), (44, 469211), (607, 34012), (773, 26708), (1214, 17006), (1546, 13354), (2428, 8503), (3092, 6677)]