9979420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45361}}^1$

素因数の和:45381

約数の個数: 24

約数和(自身を含む): 22862448

約数和(自身を除く): 12883028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 45361, 90722, 181444, 226805, 453610, 498971, 907220, 997942, 1995884, 2494855, 4989710, 9979420]

約数ペア:

[(1, 9979420), (2, 4989710), (4, 2494855), (5, 1995884), (10, 997942), (11, 907220), (20, 498971), (22, 453610), (44, 226805), (55, 181444), (110, 90722), (220, 45361)]