19965900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66553}}^1$

素因数の和:66570

約数の個数: 36

約数和(自身を含む): 57768872

約数和(自身を除く): 37802972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66553, 133106, 199659, 266212, 332765, 399318, 665530, 798636, 998295, 1331060, 1663825, 1996590, 3327650, 3993180, 4991475, 6655300, 9982950, 19965900]

約数ペア:

[(1, 19965900), (2, 9982950), (3, 6655300), (4, 4991475), (5, 3993180), (6, 3327650), (10, 1996590), (12, 1663825), (15, 1331060), (20, 998295), (25, 798636), (30, 665530), (50, 399318), (60, 332765), (75, 266212), (100, 199659), (150, 133106), (300, 66553)]