201821860

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{21067}}^1$

素因数の和:21555

約数の個数: 24

約数和(自身を含む): 424730880

約数和(自身を除く): 222909020

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 21067, 42134, 84268, 105335, 210670, 421340, 10091093, 20182186, 40364372, 50455465, 100910930, 201821860]

約数ペア:

[(1, 201821860), (2, 100910930), (4, 50455465), (5, 40364372), (10, 20182186), (20, 10091093), (479, 421340), (958, 210670), (1916, 105335), (2395, 84268), (4790, 42134), (9580, 21067)]