20463255

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14669}}^1$

素因数の和:14711

約数の個数: 24

約数和(自身を含む): 36616320

約数和(自身を除く): 16153065

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 14669, 44007, 73345, 132021, 220035, 454739, 660105, 1364217, 2273695, 4092651, 6821085, 20463255]

約数ペア:

[(1, 20463255), (3, 6821085), (5, 4092651), (9, 2273695), (15, 1364217), (31, 660105), (45, 454739), (93, 220035), (155, 132021), (279, 73345), (465, 44007), (1395, 14669)]