220620455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{108413}}^1$

素因数の和:108466

約数の個数: 16

約数和(自身を含む): 296620704

約数和(自身を除く): 76000249

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 108413, 542065, 1192543, 4011281, 5962715, 20056405, 44124091, 220620455]

約数ペア:

[(1, 220620455), (5, 44124091), (11, 20056405), (37, 5962715), (55, 4011281), (185, 1192543), (407, 542065), (2035, 108413)]