20073771

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11721429

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 783, 827, 837, 899, 2481, 2697, 7443, 8091, 22329, 23983, 24273, 25637, 71949, 76911, 215847, 230733, 647541, 692199, 743473, 2230419, 6691257, 20073771]

約数ペア:

[(1, 20073771), (3, 6691257), (9, 2230419), (27, 743473), (29, 692199), (31, 647541), (87, 230733), (93, 215847), (261, 76911), (279, 71949), (783, 25637), (827, 24273), (837, 23983), (899, 22329), (2481, 8091), (2697, 7443)]