20382795

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15619}}^1$

素因数の和:15659

約数の個数: 24

約数和(自身を含む): 36550800

約数和(自身を除く): 16168005

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15619, 46857, 78095, 140571, 234285, 452951, 702855, 1358853, 2264755, 4076559, 6794265, 20382795]

約数ペア:

[(1, 20382795), (3, 6794265), (5, 4076559), (9, 2264755), (15, 1358853), (29, 702855), (45, 452951), (87, 234285), (145, 140571), (261, 78095), (435, 46857), (1305, 15619)]