20308016

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17387}}^1$

素因数の和:17468

約数の個数: 20

約数和(自身を含む): 39888072

約数和(自身を除く): 19580056

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17387, 34774, 69548, 139096, 278192, 1269251, 2538502, 5077004, 10154008, 20308016]

約数ペア:

[(1, 20308016), (2, 10154008), (4, 5077004), (8, 2538502), (16, 1269251), (73, 278192), (146, 139096), (292, 69548), (584, 34774), (1168, 17387)]