20378015

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1759}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 28047360

約数和(自身を除く): 7669345

約数列:

[1, 5, 7, 35, 331, 1655, 1759, 2317, 8795, 11585, 12313, 61565, 582229, 2911145, 4075603, 20378015]

約数ペア:

[(1, 20378015), (5, 4075603), (7, 2911145), (35, 582229), (331, 61565), (1655, 12313), (1759, 11585), (2317, 8795)]