20654784

素因数分解:

$2^6\times 3^3\times {\mathrm{11953}}^1$

素因数の和:11974

約数の個数: 56

約数和(自身を含む): 60726320

約数和(自身を除く): 40071536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728, 11953, 23906, 35859, 47812, 71718, 95624, 107577, 143436, 191248, 215154, 286872, 322731, 382496, 430308, 573744, 645462, 764992, 860616, 1147488, 1290924, 1721232, 2294976, 2581848, 3442464, 5163696, 6884928, 10327392, 20654784]

約数ペア:

[(1, 20654784), (2, 10327392), (3, 6884928), (4, 5163696), (6, 3442464), (8, 2581848), (9, 2294976), (12, 1721232), (16, 1290924), (18, 1147488), (24, 860616), (27, 764992), (32, 645462), (36, 573744), (48, 430308), (54, 382496), (64, 322731), (72, 286872), (96, 215154), (108, 191248), (144, 143436), (192, 107577), (216, 95624), (288, 71718), (432, 47812), (576, 35859), (864, 23906), (1728, 11953)]