20396145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17659}}^1$

素因数の和:17685

約数の個数: 32

約数和(自身を含む): 40688640

約数和(自身を除く): 20292495

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17659, 52977, 88295, 123613, 194249, 264885, 370839, 582747, 618065, 971245, 1359743, 1854195, 2913735, 4079229, 6798715, 20396145]

約数ペア:

[(1, 20396145), (3, 6798715), (5, 4079229), (7, 2913735), (11, 1854195), (15, 1359743), (21, 971245), (33, 618065), (35, 582747), (55, 370839), (77, 264885), (105, 194249), (165, 123613), (231, 88295), (385, 52977), (1155, 17659)]