20579750

素因数分解:

$2^1\times 5^3\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 38795328

約数和(自身を除く): 18215578

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 263, 313, 526, 626, 1315, 1565, 2630, 3130, 6575, 7825, 13150, 15650, 32875, 39125, 65750, 78250, 82319, 164638, 411595, 823190, 2057975, 4115950, 10289875, 20579750]

約数ペア:

[(1, 20579750), (2, 10289875), (5, 4115950), (10, 2057975), (25, 823190), (50, 411595), (125, 164638), (250, 82319), (263, 78250), (313, 65750), (526, 39125), (626, 32875), (1315, 15650), (1565, 13150), (2630, 7825), (3130, 6575)]