20495315

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1462

約数の個数: 16

約数和(自身を含む): 25699680

約数和(自身を除く): 5204365

約数列:

[1, 5, 29, 107, 145, 535, 1321, 3103, 6605, 15515, 38309, 141347, 191545, 706735, 4099063, 20495315]

約数ペア:

[(1, 20495315), (5, 4099063), (29, 706735), (107, 191545), (145, 141347), (535, 38309), (1321, 15515), (3103, 6605)]