20930420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149503}}^1$

素因数の和:149519

約数の個数: 24

約数和(自身を含む): 50233344

約数和(自身を除く): 29302924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149503, 299006, 598012, 747515, 1046521, 1495030, 2093042, 2990060, 4186084, 5232605, 10465210, 20930420]

約数ペア:

[(1, 20930420), (2, 10465210), (4, 5232605), (5, 4186084), (7, 2990060), (10, 2093042), (14, 1495030), (20, 1046521), (28, 747515), (35, 598012), (70, 299006), (140, 149503)]