16006420

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1901}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 33711048

約数和(自身を除く): 17704628

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 1901, 2105, 3802, 4210, 7604, 8420, 9505, 19010, 38020, 800321, 1600642, 3201284, 4001605, 8003210, 16006420]

約数ペア:

[(1, 16006420), (2, 8003210), (4, 4001605), (5, 3201284), (10, 1600642), (20, 800321), (421, 38020), (842, 19010), (1684, 9505), (1901, 8420), (2105, 7604), (3802, 4210)]