20127135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2861}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 37366272

約数和(自身を除く): 17239137

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 2861, 7035, 8583, 14305, 20027, 42915, 60081, 100135, 191687, 300405, 575061, 958435, 1341809, 2875305, 4025427, 6709045, 20127135]

約数ペア:

[(1, 20127135), (3, 6709045), (5, 4025427), (7, 2875305), (15, 1341809), (21, 958435), (35, 575061), (67, 300405), (105, 191687), (201, 100135), (335, 60081), (469, 42915), (1005, 20027), (1407, 14305), (2345, 8583), (2861, 7035)]