20021872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96259}}^1$

素因数の和:96280

約数の個数: 20

約数和(自身を含む): 41776840

約数和(自身を除く): 21754968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96259, 192518, 385036, 770072, 1251367, 1540144, 2502734, 5005468, 10010936, 20021872]

約数ペア:

[(1, 20021872), (2, 10010936), (4, 5005468), (8, 2502734), (13, 1540144), (16, 1251367), (26, 770072), (52, 385036), (104, 192518), (208, 96259)]