20947419

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 31150080

約数和(自身を除く): 10202661

約数列:

[1, 3, 9, 59, 103, 177, 309, 383, 531, 927, 1149, 3447, 6077, 18231, 22597, 39449, 54693, 67791, 118347, 203373, 355041, 2327491, 6982473, 20947419]

約数ペア:

[(1, 20947419), (3, 6982473), (9, 2327491), (59, 355041), (103, 203373), (177, 118347), (309, 67791), (383, 54693), (531, 39449), (927, 22597), (1149, 18231), (3447, 6077)]