20853305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22303}}^1$

素因数の和:22336

約数の個数: 16

約数和(自身を含む): 28905984

約数和(自身を除く): 8052679

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 22303, 111515, 245333, 379151, 1226665, 1895755, 4170661, 20853305]

約数ペア:

[(1, 20853305), (5, 4170661), (11, 1895755), (17, 1226665), (55, 379151), (85, 245333), (187, 111515), (935, 22303)]