20530328

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28201}}^1$

素因数の和:28227

約数の個数: 32

約数和(自身を含む): 47379360

約数和(自身を除く): 26849032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28201, 56402, 112804, 197407, 225608, 366613, 394814, 733226, 789628, 1466452, 1579256, 2566291, 2932904, 5132582, 10265164, 20530328]

約数ペア:

[(1, 20530328), (2, 10265164), (4, 5132582), (7, 2932904), (8, 2566291), (13, 1579256), (14, 1466452), (26, 789628), (28, 733226), (52, 394814), (56, 366613), (91, 225608), (104, 197407), (182, 112804), (364, 56402), (728, 28201)]