20216045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1444

約数の個数: 16

約数和(自身を含む): 25349760

約数和(自身を除く): 5133715

約数列:

[1, 5, 29, 107, 145, 535, 1303, 3103, 6515, 15515, 37787, 139421, 188935, 697105, 4043209, 20216045]

約数ペア:

[(1, 20216045), (5, 4043209), (29, 697105), (107, 188935), (145, 139421), (535, 37787), (1303, 15515), (3103, 6515)]