20286279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2089}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 31951920

約数和(自身を除く): 11665641

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2089, 3237, 6267, 9711, 18801, 27157, 81471, 173387, 244413, 520161, 1560483, 2254031, 6762093, 20286279]

約数ペア:

[(1, 20286279), (3, 6762093), (9, 2254031), (13, 1560483), (39, 520161), (83, 244413), (117, 173387), (249, 81471), (747, 27157), (1079, 18801), (2089, 9711), (3237, 6267)]