20280135

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2027}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 14763705

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2027, 3335, 6081, 10005, 10135, 30405, 46621, 58783, 139863, 176349, 233105, 293915, 699315, 881745, 1352009, 4056027, 6760045, 20280135]

約数ペア:

[(1, 20280135), (3, 6760045), (5, 4056027), (15, 1352009), (23, 881745), (29, 699315), (69, 293915), (87, 233105), (115, 176349), (145, 139863), (345, 58783), (435, 46621), (667, 30405), (2001, 10135), (2027, 10005), (3335, 6081)]