20585684

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 42287616

約数和(自身を除く): 21701932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 827, 889, 1654, 1778, 3308, 3556, 5789, 6223, 11578, 12446, 23156, 24892, 40523, 81046, 105029, 162092, 210058, 420116, 735203, 1470406, 2940812, 5146421, 10292842, 20585684]

約数ペア:

[(1, 20585684), (2, 10292842), (4, 5146421), (7, 2940812), (14, 1470406), (28, 735203), (49, 420116), (98, 210058), (127, 162092), (196, 105029), (254, 81046), (508, 40523), (827, 24892), (889, 23156), (1654, 12446), (1778, 11578), (3308, 6223), (3556, 5789)]