20886968

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33049}}^1$

素因数の和:33134

約数の個数: 16

約数和(自身を含む): 39660000

約数和(自身を除く): 18773032

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33049, 66098, 132196, 264392, 2610871, 5221742, 10443484, 20886968]

約数ペア:

[(1, 20886968), (2, 10443484), (4, 5221742), (8, 2610871), (79, 264392), (158, 132196), (316, 66098), (632, 33049)]