20265564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 55100304

約数和(自身を除く): 34834740

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 121, 132, 187, 204, 242, 363, 374, 484, 561, 726, 748, 821, 1122, 1452, 1642, 2057, 2244, 2463, 3284, 4114, 4926, 6171, 8228, 9031, 9852, 12342, 13957, 18062, 24684, 27093, 27914, 36124, 41871, 54186, 55828, 83742, 99341, 108372, 153527, 167484, 198682, 298023, 307054, 397364, 460581, 596046, 614108, 921162, 1192092, 1688797, 1842324, 3377594, 5066391, 6755188, 10132782, 20265564]

約数ペア:

[(1, 20265564), (2, 10132782), (3, 6755188), (4, 5066391), (6, 3377594), (11, 1842324), (12, 1688797), (17, 1192092), (22, 921162), (33, 614108), (34, 596046), (44, 460581), (51, 397364), (66, 307054), (68, 298023), (102, 198682), (121, 167484), (132, 153527), (187, 108372), (204, 99341), (242, 83742), (363, 55828), (374, 54186), (484, 41871), (561, 36124), (726, 27914), (748, 27093), (821, 24684), (1122, 18062), (1452, 13957), (1642, 12342), (2057, 9852), (2244, 9031), (2463, 8228), (3284, 6171), (4114, 4926)]