20406840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170057}}^1$

素因数の和:170071

約数の個数: 32

約数和(自身を含む): 61220880

約数和(自身を除く): 40814040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170057, 340114, 510171, 680228, 850285, 1020342, 1360456, 1700570, 2040684, 2550855, 3401140, 4081368, 5101710, 6802280, 10203420, 20406840]

約数ペア:

[(1, 20406840), (2, 10203420), (3, 6802280), (4, 5101710), (5, 4081368), (6, 3401140), (8, 2550855), (10, 2040684), (12, 1700570), (15, 1360456), (20, 1020342), (24, 850285), (30, 680228), (40, 510171), (60, 340114), (120, 170057)]