20964540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349409}}^1$

素因数の和:349421

約数の個数: 24

約数和(自身を含む): 58700880

約数和(自身を除く): 37736340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349409, 698818, 1048227, 1397636, 1747045, 2096454, 3494090, 4192908, 5241135, 6988180, 10482270, 20964540]

約数ペア:

[(1, 20964540), (2, 10482270), (3, 6988180), (4, 5241135), (5, 4192908), (6, 3494090), (10, 2096454), (12, 1747045), (15, 1397636), (20, 1048227), (30, 698818), (60, 349409)]