20543049

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2605

約数の個数: 24

約数和(自身を含む): 31699200

約数和(自身を除く): 11156151

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2539, 2697, 7617, 8091, 22851, 73631, 78709, 220893, 236127, 662679, 708381, 2282561, 6847683, 20543049]

約数ペア:

[(1, 20543049), (3, 6847683), (9, 2282561), (29, 708381), (31, 662679), (87, 236127), (93, 220893), (261, 78709), (279, 73631), (899, 22851), (2539, 8091), (2697, 7617)]