20911284

素因数分解:

$2^2\times 3^4\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:526

約数の個数: 60

約数和(自身を含む): 55099044

約数和(自身を除く): 34187760

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 233, 277, 324, 466, 554, 699, 831, 932, 1108, 1398, 1662, 2097, 2493, 2796, 3324, 4194, 4986, 6291, 7479, 8388, 9972, 12582, 14958, 18873, 22437, 25164, 29916, 37746, 44874, 64541, 75492, 89748, 129082, 193623, 258164, 387246, 580869, 774492, 1161738, 1742607, 2323476, 3485214, 5227821, 6970428, 10455642, 20911284]

約数ペア:

[(1, 20911284), (2, 10455642), (3, 6970428), (4, 5227821), (6, 3485214), (9, 2323476), (12, 1742607), (18, 1161738), (27, 774492), (36, 580869), (54, 387246), (81, 258164), (108, 193623), (162, 129082), (233, 89748), (277, 75492), (324, 64541), (466, 44874), (554, 37746), (699, 29916), (831, 25164), (932, 22437), (1108, 18873), (1398, 14958), (1662, 12582), (2097, 9972), (2493, 8388), (2796, 7479), (3324, 6291), (4194, 4986)]