20545551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4283}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 32746896

約数和(自身を除く): 12201345

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4283, 4797, 12849, 38547, 55679, 167037, 175603, 501111, 526809, 1580427, 2282839, 6848517, 20545551]

約数ペア:

[(1, 20545551), (3, 6848517), (9, 2282839), (13, 1580427), (39, 526809), (41, 501111), (117, 175603), (123, 167037), (369, 55679), (533, 38547), (1599, 12849), (4283, 4797)]