20955715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9293}}^1$

素因数の和:9350

約数の個数: 16

約数和(自身を含む): 28105056

約数和(自身を除く): 7149341

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 9293, 46465, 102223, 381013, 511115, 1905065, 4191143, 20955715]

約数ペア:

[(1, 20955715), (5, 4191143), (11, 1905065), (41, 511115), (55, 381013), (205, 102223), (451, 46465), (2255, 9293)]