20828049135

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20724427}}^1$

素因数の和:20724502

約数の個数: 16

約数和(自身を含む): 33822266496

約数和(自身を除く): 12994217361

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 20724427, 62173281, 103622135, 310866405, 1388536609, 4165609827, 6942683045, 20828049135]

約数ペア:

[(1, 20828049135), (3, 6942683045), (5, 4165609827), (15, 1388536609), (67, 310866405), (201, 103622135), (335, 62173281), (1005, 20724427)]