20522348

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 46738944

約数和(自身を除く): 26216596

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2897, 3542, 5794, 7084, 11588, 20279, 31867, 40558, 63734, 66631, 81116, 127468, 133262, 223069, 266524, 446138, 466417, 732941, 892276, 932834, 1465882, 1865668, 2931764, 5130587, 10261174, 20522348]

約数ペア:

[(1, 20522348), (2, 10261174), (4, 5130587), (7, 2931764), (11, 1865668), (14, 1465882), (22, 932834), (23, 892276), (28, 732941), (44, 466417), (46, 446138), (77, 266524), (92, 223069), (154, 133262), (161, 127468), (253, 81116), (308, 66631), (322, 63734), (506, 40558), (644, 31867), (1012, 20279), (1771, 11588), (2897, 7084), (3542, 5794)]