20278105

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1307}}^1$

素因数の和:1448

約数の個数: 16

約数和(自身を含む): 25427520

約数和(自身を除く): 5149415

約数列:

[1, 5, 29, 107, 145, 535, 1307, 3103, 6535, 15515, 37903, 139849, 189515, 699245, 4055621, 20278105]

約数ペア:

[(1, 20278105), (5, 4055621), (29, 699245), (107, 189515), (145, 139849), (535, 37903), (1307, 15515), (3103, 6535)]