20514039

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 33944064

約数和(自身を除く): 13430025

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 461, 489, 1141, 1383, 2119, 3227, 3423, 5993, 6357, 9681, 14833, 17979, 41951, 44499, 75143, 125853, 225429, 526001, 976859, 1578003, 2930577, 6838013, 20514039]

約数ペア:

[(1, 20514039), (3, 6838013), (7, 2930577), (13, 1578003), (21, 976859), (39, 526001), (91, 225429), (163, 125853), (273, 75143), (461, 44499), (489, 41951), (1141, 17979), (1383, 14833), (2119, 9681), (3227, 6357), (3423, 5993)]