20946545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2017}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 26347008

約数和(自身を除く): 5400463

約数列:

[1, 5, 31, 67, 155, 335, 2017, 2077, 10085, 10385, 62527, 135139, 312635, 675695, 4189309, 20946545]

約数ペア:

[(1, 20946545), (5, 4189309), (31, 675695), (67, 312635), (155, 135139), (335, 62527), (2017, 10385), (2077, 10085)]