20195877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 9963483

約数列:

[1, 3, 13, 39, 59, 67, 131, 177, 201, 393, 767, 871, 1703, 2301, 2613, 3953, 5109, 7729, 8777, 11859, 23187, 26331, 51389, 100477, 114101, 154167, 301431, 342303, 517843, 1553529, 6731959, 20195877]

約数ペア:

[(1, 20195877), (3, 6731959), (13, 1553529), (39, 517843), (59, 342303), (67, 301431), (131, 154167), (177, 114101), (201, 100477), (393, 51389), (767, 26331), (871, 23187), (1703, 11859), (2301, 8777), (2613, 7729), (3953, 5109)]