20747776

素因数分解:

$2^9\times 7^2\times {\mathrm{827}}^1$

素因数の和:859

約数の個数: 60

約数和(自身を含む): 48281508

約数和(自身を除く): 27533732

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 827, 896, 1568, 1654, 1792, 3136, 3308, 3584, 5789, 6272, 6616, 11578, 12544, 13232, 23156, 25088, 26464, 40523, 46312, 52928, 81046, 92624, 105856, 162092, 185248, 211712, 324184, 370496, 423424, 648368, 740992, 1296736, 1481984, 2593472, 2963968, 5186944, 10373888, 20747776]

約数ペア:

[(1, 20747776), (2, 10373888), (4, 5186944), (7, 2963968), (8, 2593472), (14, 1481984), (16, 1296736), (28, 740992), (32, 648368), (49, 423424), (56, 370496), (64, 324184), (98, 211712), (112, 185248), (128, 162092), (196, 105856), (224, 92624), (256, 81046), (392, 52928), (448, 46312), (512, 40523), (784, 26464), (827, 25088), (896, 23156), (1568, 13232), (1654, 12544), (1792, 11578), (3136, 6616), (3308, 6272), (3584, 5789)]