20327139

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 34721280

約数和(自身を除く): 14394141

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 821, 917, 1179, 2463, 2751, 3537, 5747, 7389, 8253, 17241, 22167, 24759, 51723, 107551, 155169, 322653, 752857, 967959, 2258571, 2903877, 6775713, 20327139]

約数ペア:

[(1, 20327139), (3, 6775713), (7, 2903877), (9, 2258571), (21, 967959), (27, 752857), (63, 322653), (131, 155169), (189, 107551), (393, 51723), (821, 24759), (917, 22167), (1179, 17241), (2463, 8253), (2751, 7389), (3537, 5747)]