20103987

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 27749120

約数和(自身を除く): 7645133

約数列:

[1, 3, 37, 111, 139, 417, 1303, 3909, 5143, 15429, 48211, 144633, 181117, 543351, 6701329, 20103987]

約数ペア:

[(1, 20103987), (3, 6701329), (37, 543351), (111, 181117), (139, 144633), (417, 48211), (1303, 15429), (3909, 5143)]