20967876

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1465

約数の個数: 48

約数和(自身を含む): 54768000

約数和(自身を除く): 33800124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 894, 1303, 1341, 1788, 2606, 2682, 3909, 4023, 5212, 5364, 7818, 8046, 11727, 15636, 16092, 23454, 35181, 46908, 70362, 140724, 194147, 388294, 582441, 776588, 1164882, 1747323, 2329764, 3494646, 5241969, 6989292, 10483938, 20967876]

約数ペア:

[(1, 20967876), (2, 10483938), (3, 6989292), (4, 5241969), (6, 3494646), (9, 2329764), (12, 1747323), (18, 1164882), (27, 776588), (36, 582441), (54, 388294), (108, 194147), (149, 140724), (298, 70362), (447, 46908), (596, 35181), (894, 23454), (1303, 16092), (1341, 15636), (1788, 11727), (2606, 8046), (2682, 7818), (3909, 5364), (4023, 5212)]