20648736

素因数分解:

$2^5\times 3^3\times {\mathrm{23899}}^1$

素因数の和:23918

約数の個数: 48

約数和(自身を含む): 60228000

約数和(自身を除く): 39579264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 23899, 47798, 71697, 95596, 143394, 191192, 215091, 286788, 382384, 430182, 573576, 645273, 764768, 860364, 1147152, 1290546, 1720728, 2294304, 2581092, 3441456, 5162184, 6882912, 10324368, 20648736]

約数ペア:

[(1, 20648736), (2, 10324368), (3, 6882912), (4, 5162184), (6, 3441456), (8, 2581092), (9, 2294304), (12, 1720728), (16, 1290546), (18, 1147152), (24, 860364), (27, 764768), (32, 645273), (36, 573576), (48, 430182), (54, 382384), (72, 286788), (96, 215091), (108, 191192), (144, 143394), (216, 95596), (288, 71697), (432, 47798), (864, 23899)]