9821380

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1579}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 20704320

約数和(自身を除く): 10882940

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 1579, 3110, 3158, 6220, 6316, 7895, 15790, 31580, 491069, 982138, 1964276, 2455345, 4910690, 9821380]

約数ペア:

[(1, 9821380), (2, 4910690), (4, 2455345), (5, 1964276), (10, 982138), (20, 491069), (311, 31580), (622, 15790), (1244, 7895), (1555, 6316), (1579, 6220), (3110, 3158)]