20942992

素因数分解:

$2^4\times 7^2\times {\mathrm{26713}}^1$

素因数の和:26735

約数の個数: 30

約数和(自身を含む): 47203638

約数和(自身を除く): 26260646

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26713, 53426, 106852, 186991, 213704, 373982, 427408, 747964, 1308937, 1495928, 2617874, 2991856, 5235748, 10471496, 20942992]

約数ペア:

[(1, 20942992), (2, 10471496), (4, 5235748), (7, 2991856), (8, 2617874), (14, 1495928), (16, 1308937), (28, 747964), (49, 427408), (56, 373982), (98, 213704), (112, 186991), (196, 106852), (392, 53426), (784, 26713)]