20916844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17489}}^1$

素因数の和:17529

約数の個数: 24

約数和(自身を含む): 41136480

約数和(自身を除く): 20219636

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17489, 34978, 69956, 227357, 402247, 454714, 804494, 909428, 1608988, 5229211, 10458422, 20916844]

約数ペア:

[(1, 20916844), (2, 10458422), (4, 5229211), (13, 1608988), (23, 909428), (26, 804494), (46, 454714), (52, 402247), (92, 227357), (299, 69956), (598, 34978), (1196, 17489)]