9859820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1171}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 20772528

約数和(自身を除く): 10912708

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1171, 1684, 2105, 2342, 4210, 4684, 5855, 8420, 11710, 23420, 492991, 985982, 1971964, 2464955, 4929910, 9859820]

約数ペア:

[(1, 9859820), (2, 4929910), (4, 2464955), (5, 1971964), (10, 985982), (20, 492991), (421, 23420), (842, 11710), (1171, 8420), (1684, 5855), (2105, 4684), (2342, 4210)]