20408058723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3163}}^1\times {\mathrm{7193}}^1$

素因数の和:10395

約数の個数: 32

約数和(自身を含む): 30591880704

約数和(自身を除く): 10183821981

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 3163, 7193, 9489, 21579, 41119, 72749, 93509, 123357, 165439, 218247, 280527, 496317, 945737, 2150707, 2837211, 6452121, 22751459, 68254377, 295768967, 523283557, 887306901, 1569850671, 6802686241, 20408058723]

約数ペア:

[(1, 20408058723), (3, 6802686241), (13, 1569850671), (23, 887306901), (39, 523283557), (69, 295768967), (299, 68254377), (897, 22751459), (3163, 6452121), (7193, 2837211), (9489, 2150707), (21579, 945737), (41119, 496317), (72749, 280527), (93509, 218247), (123357, 165439)]