20302815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8009}}^1$

素因数の和:8043

約数の個数: 24

約数和(自身を含む): 35179920

約数和(自身を除く): 14877105

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8009, 24027, 40045, 104117, 120135, 312351, 520585, 1353521, 1561755, 4060563, 6767605, 20302815]

約数ペア:

[(1, 20302815), (3, 6767605), (5, 4060563), (13, 1561755), (15, 1353521), (39, 520585), (65, 312351), (169, 120135), (195, 104117), (507, 40045), (845, 24027), (2535, 8009)]