20299786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4973}}^1$

素因数の和:5145

約数の個数: 16

約数和(自身を含む): 33007464

約数和(自身を除く): 12707678

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4973, 9946, 64649, 129298, 780761, 1561522, 10149893, 20299786]

約数ペア:

[(1, 20299786), (2, 10149893), (13, 1561522), (26, 780761), (157, 129298), (314, 64649), (2041, 9946), (4082, 4973)]