20548785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72101}}^1$

素因数の和:72128

約数の個数: 16

約数和(自身を含む): 34608960

約数和(自身を除く): 14060175

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 72101, 216303, 360505, 1081515, 1369919, 4109757, 6849595, 20548785]

約数ペア:

[(1, 20548785), (3, 6849595), (5, 4109757), (15, 1369919), (19, 1081515), (57, 360505), (95, 216303), (285, 72101)]