20165007775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{80491}}^1$

素因数の和:81423

約数の個数: 24

約数和(自身を含む): 27308037888

約数和(自身を除く): 7143030113

約数列:

[1, 5, 11, 25, 55, 275, 911, 4555, 10021, 22775, 50105, 80491, 250525, 402455, 885401, 2012275, 4427005, 22135025, 73327301, 366636505, 806600311, 1833182525, 4033001555, 20165007775]

約数ペア:

[(1, 20165007775), (5, 4033001555), (11, 1833182525), (25, 806600311), (55, 366636505), (275, 73327301), (911, 22135025), (4555, 4427005), (10021, 2012275), (22775, 885401), (50105, 402455), (80491, 250525)]