20496159

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1847}}^1$

素因数の和:1996

約数の個数: 20

約数和(自身を含む): 30857904

約数和(自身を除く): 10361745

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1847, 3699, 5541, 11097, 16623, 49869, 149607, 253039, 759117, 2277351, 6832053, 20496159]

約数ペア:

[(1, 20496159), (3, 6832053), (9, 2277351), (27, 759117), (81, 253039), (137, 149607), (411, 49869), (1233, 16623), (1847, 11097), (3699, 5541)]