22120005

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11257}}^1$

素因数の和:11396

約数の個数: 16

約数和(自身を含む): 35665344

約数和(自身を除く): 13545339

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 11257, 33771, 56285, 168855, 1474667, 4424001, 7373335, 22120005]

約数ペア:

[(1, 22120005), (3, 7373335), (5, 4424001), (15, 1474667), (131, 168855), (393, 56285), (655, 33771), (1965, 11257)]