20949798

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8537}}^1$

素因数の和:8951

約数の個数: 16

約数和(自身を含む): 42006960

約数和(自身を除く): 21057162

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8537, 17074, 25611, 51222, 3491633, 6983266, 10474899, 20949798]

約数ペア:

[(1, 20949798), (2, 10474899), (3, 6983266), (6, 3491633), (409, 51222), (818, 25611), (1227, 17074), (2454, 8537)]