20635786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 33992640

約数和(自身を除く): 13356854

約数列:

[1, 2, 19, 38, 43, 73, 86, 146, 173, 346, 817, 1387, 1634, 2774, 3139, 3287, 6278, 6574, 7439, 12629, 14878, 25258, 59641, 119282, 141341, 239951, 282682, 479902, 543047, 1086094, 10317893, 20635786]

約数ペア:

[(1, 20635786), (2, 10317893), (19, 1086094), (38, 543047), (43, 479902), (73, 282682), (86, 239951), (146, 141341), (173, 119282), (346, 59641), (817, 25258), (1387, 14878), (1634, 12629), (2774, 7439), (3139, 6574), (3287, 6278)]