20705364

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30271}}^1$

素因数の和:30300

約数の個数: 36

約数和(自身を含む): 55095040

約数和(自身を除く): 34389676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30271, 60542, 90813, 121084, 181626, 272439, 363252, 544878, 575149, 1089756, 1150298, 1725447, 2300596, 3450894, 5176341, 6901788, 10352682, 20705364]

約数ペア:

[(1, 20705364), (2, 10352682), (3, 6901788), (4, 5176341), (6, 3450894), (9, 2300596), (12, 1725447), (18, 1150298), (19, 1089756), (36, 575149), (38, 544878), (57, 363252), (76, 272439), (114, 181626), (171, 121084), (228, 90813), (342, 60542), (684, 30271)]