20394015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{33161}}^1$

素因数の和:33210

約数の個数: 16

約数和(自身を含む): 33427296

約数和(自身を除く): 13033281

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 33161, 99483, 165805, 497415, 1359601, 4078803, 6798005, 20394015]

約数ペア:

[(1, 20394015), (3, 6798005), (5, 4078803), (15, 1359601), (41, 497415), (123, 165805), (205, 99483), (615, 33161)]