16870420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120503}}^1$

素因数の和:120519

約数の個数: 24

約数和(自身を含む): 40489344

約数和(自身を除く): 23618924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120503, 241006, 482012, 602515, 843521, 1205030, 1687042, 2410060, 3374084, 4217605, 8435210, 16870420]

約数ペア:

[(1, 16870420), (2, 8435210), (4, 4217605), (5, 3374084), (7, 2410060), (10, 1687042), (14, 1205030), (20, 843521), (28, 602515), (35, 482012), (70, 241006), (140, 120503)]