16835620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4273}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 35542584

約数和(自身を除く): 18706964

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4273, 8546, 17092, 21365, 42730, 85460, 841781, 1683562, 3367124, 4208905, 8417810, 16835620]

約数ペア:

[(1, 16835620), (2, 8417810), (4, 4208905), (5, 3367124), (10, 1683562), (20, 841781), (197, 85460), (394, 42730), (788, 21365), (985, 17092), (1970, 8546), (3940, 4273)]