20328175

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6833}}^1$

素因数の和:6867

約数の個数: 24

約数和(自身を含む): 30506976

約数和(自身を除く): 10178801

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6833, 34165, 47831, 116161, 170825, 239155, 580805, 813127, 1195775, 2904025, 4065635, 20328175]

約数ペア:

[(1, 20328175), (5, 4065635), (7, 2904025), (17, 1195775), (25, 813127), (35, 580805), (85, 239155), (119, 170825), (175, 116161), (425, 47831), (595, 34165), (2975, 6833)]