20485364

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2081}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 37775808

約数和(自身を除く): 17290444

約数列:

[1, 2, 4, 23, 46, 92, 107, 214, 428, 2081, 2461, 4162, 4922, 8324, 9844, 47863, 95726, 191452, 222667, 445334, 890668, 5121341, 10242682, 20485364]

約数ペア:

[(1, 20485364), (2, 10242682), (4, 5121341), (23, 890668), (46, 445334), (92, 222667), (107, 191452), (214, 95726), (428, 47863), (2081, 9844), (2461, 8324), (4162, 4922)]