20637780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{343963}}^1$

素因数の和:343975

約数の個数: 24

約数和(自身を含む): 57785952

約数和(自身を除く): 37148172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 343963, 687926, 1031889, 1375852, 1719815, 2063778, 3439630, 4127556, 5159445, 6879260, 10318890, 20637780]

約数ペア:

[(1, 20637780), (2, 10318890), (3, 6879260), (4, 5159445), (5, 4127556), (6, 3439630), (10, 2063778), (12, 1719815), (15, 1375852), (20, 1031889), (30, 687926), (60, 343963)]