20229872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97259}}^1$

素因数の和:97280

約数の個数: 20

約数和(自身を含む): 42210840

約数和(自身を除く): 21980968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97259, 194518, 389036, 778072, 1264367, 1556144, 2528734, 5057468, 10114936, 20229872]

約数ペア:

[(1, 20229872), (2, 10114936), (4, 5057468), (8, 2528734), (13, 1556144), (16, 1264367), (26, 778072), (52, 389036), (104, 194518), (208, 97259)]