20888631

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2677}}^1$

素因数の和:2720

約数の個数: 24

約数和(自身を含む): 32885840

約数和(自身を除く): 11997209

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2601, 2677, 7803, 8031, 24093, 45509, 72279, 136527, 409581, 773653, 1228743, 2320959, 6962877, 20888631]

約数ペア:

[(1, 20888631), (3, 6962877), (9, 2320959), (17, 1228743), (27, 773653), (51, 409581), (153, 136527), (289, 72279), (459, 45509), (867, 24093), (2601, 8031), (2677, 7803)]