20888322

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 52276224

約数和(自身を除く): 31387902

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 273, 402, 469, 546, 571, 871, 938, 1142, 1407, 1713, 1742, 2613, 2814, 3426, 3997, 5226, 6097, 7423, 7994, 11991, 12194, 14846, 18291, 22269, 23982, 36582, 38257, 44538, 51961, 76514, 103922, 114771, 155883, 229542, 267799, 311766, 497341, 535598, 803397, 994682, 1492023, 1606794, 2984046, 3481387, 6962774, 10444161, 20888322]

約数ペア:

[(1, 20888322), (2, 10444161), (3, 6962774), (6, 3481387), (7, 2984046), (13, 1606794), (14, 1492023), (21, 994682), (26, 803397), (39, 535598), (42, 497341), (67, 311766), (78, 267799), (91, 229542), (134, 155883), (182, 114771), (201, 103922), (273, 76514), (402, 51961), (469, 44538), (546, 38257), (571, 36582), (871, 23982), (938, 22269), (1142, 18291), (1407, 14846), (1713, 12194), (1742, 11991), (2613, 7994), (2814, 7423), (3426, 6097), (3997, 5226)]