20395954

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 34407936

約数和(自身を除く): 14011982

約数列:

[1, 2, 17, 31, 34, 37, 62, 74, 523, 527, 629, 1046, 1054, 1147, 1258, 2294, 8891, 16213, 17782, 19351, 19499, 32426, 38702, 38998, 275621, 328967, 551242, 599881, 657934, 1199762, 10197977, 20395954]

約数ペア:

[(1, 20395954), (2, 10197977), (17, 1199762), (31, 657934), (34, 599881), (37, 551242), (62, 328967), (74, 275621), (523, 38998), (527, 38702), (629, 32426), (1046, 19499), (1054, 19351), (1147, 17782), (1258, 16213), (2294, 8891)]