20295591

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 9909849

約数列:

[1, 3, 19, 23, 57, 69, 113, 137, 339, 411, 437, 1311, 2147, 2599, 2603, 3151, 6441, 7797, 7809, 9453, 15481, 46443, 49381, 59869, 148143, 179607, 294139, 356063, 882417, 1068189, 6765197, 20295591]

約数ペア:

[(1, 20295591), (3, 6765197), (19, 1068189), (23, 882417), (57, 356063), (69, 294139), (113, 179607), (137, 148143), (339, 59869), (411, 49381), (437, 46443), (1311, 15481), (2147, 9453), (2599, 7809), (2603, 7797), (3151, 6441)]