20956701

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 7440099

約数列:

[1, 3, 149, 173, 271, 447, 519, 813, 25777, 40379, 46883, 77331, 121137, 140649, 6985567, 20956701]

約数ペア:

[(1, 20956701), (3, 6985567), (149, 140649), (173, 121137), (271, 77331), (447, 46883), (519, 40379), (813, 25777)]