20047404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128509}}^1$

素因数の和:128529

約数の個数: 24

約数和(自身を含む): 50375920

約数和(自身を除く): 30328516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128509, 257018, 385527, 514036, 771054, 1542108, 1670617, 3341234, 5011851, 6682468, 10023702, 20047404]

約数ペア:

[(1, 20047404), (2, 10023702), (3, 6682468), (4, 5011851), (6, 3341234), (12, 1670617), (13, 1542108), (26, 771054), (39, 514036), (52, 385527), (78, 257018), (156, 128509)]