20072859

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{691}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 28034304

約数和(自身を除く): 7961445

約数列:

[1, 3, 23, 69, 421, 691, 1263, 2073, 9683, 15893, 29049, 47679, 290911, 872733, 6690953, 20072859]

約数ペア:

[(1, 20072859), (3, 6690953), (23, 872733), (69, 290911), (421, 47679), (691, 29049), (1263, 15893), (2073, 9683)]