20377655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2243}}^1$

素因数の和:2350

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 5473225

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2243, 9085, 11215, 51589, 177197, 257945, 885985, 4075531, 20377655]

約数ペア:

[(1, 20377655), (5, 4075531), (23, 885985), (79, 257945), (115, 177197), (395, 51589), (1817, 11215), (2243, 9085)]