20164105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10007}}^1$

素因数の和:10056

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 6737399

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10007, 50035, 130091, 310217, 650455, 1551085, 4032821, 20164105]

約数ペア:

[(1, 20164105), (5, 4032821), (13, 1551085), (31, 650455), (65, 310217), (155, 130091), (403, 50035), (2015, 10007)]