20285300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28979}}^1$

素因数の和:29000

約数の個数: 36

約数和(自身を含む): 50309280

約数和(自身を除く): 30023980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28979, 57958, 115916, 144895, 202853, 289790, 405706, 579580, 724475, 811412, 1014265, 1448950, 2028530, 2897900, 4057060, 5071325, 10142650, 20285300]

約数ペア:

[(1, 20285300), (2, 10142650), (4, 5071325), (5, 4057060), (7, 2897900), (10, 2028530), (14, 1448950), (20, 1014265), (25, 811412), (28, 724475), (35, 579580), (50, 405706), (70, 289790), (100, 202853), (140, 144895), (175, 115916), (350, 57958), (700, 28979)]