20151955

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2957}}^1$

素因数の和:3038

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 5405165

約数列:

[1, 5, 29, 47, 145, 235, 1363, 2957, 6815, 14785, 85753, 138979, 428765, 694895, 4030391, 20151955]

約数ペア:

[(1, 20151955), (5, 4030391), (29, 694895), (47, 428765), (145, 138979), (235, 85753), (1363, 14785), (2957, 6815)]