20376965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 30896640

約数和(自身を除く): 10519675

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1489, 1955, 2737, 7445, 10423, 13685, 25313, 34247, 52115, 126565, 171235, 177191, 239729, 582199, 885955, 1198645, 2910995, 4075393, 20376965]

約数ペア:

[(1, 20376965), (5, 4075393), (7, 2910995), (17, 1198645), (23, 885955), (35, 582199), (85, 239729), (115, 177191), (119, 171235), (161, 126565), (391, 52115), (595, 34247), (805, 25313), (1489, 13685), (1955, 10423), (2737, 7445)]