20442471

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18367}}^1$

素因数の和:18430

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 11297433

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18367, 55101, 128569, 385707, 973451, 2920353, 6814157, 20442471]

約数ペア:

[(1, 20442471), (3, 6814157), (7, 2920353), (21, 973451), (53, 385707), (159, 128569), (371, 55101), (1113, 18367)]