16620520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59359}}^1$

素因数の和:59377

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 26118680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 59359, 118718, 237436, 296795, 415513, 474872, 593590, 831026, 1187180, 1662052, 2077565, 2374360, 3324104, 4155130, 8310260, 16620520]

約数ペア:

[(1, 16620520), (2, 8310260), (4, 4155130), (5, 3324104), (7, 2374360), (8, 2077565), (10, 1662052), (14, 1187180), (20, 831026), (28, 593590), (35, 474872), (40, 415513), (56, 296795), (70, 237436), (140, 118718), (280, 59359)]