20565821409

素因数分解:

$3^1\times 7^3\times {\mathrm{2383}}^1\times {\mathrm{8387}}^1$

素因数の和:10794

約数の個数: 32

約数和(自身を含む): 31995187200

約数和(自身を除く): 11429365791

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2383, 7149, 8387, 16681, 25161, 50043, 58709, 116767, 176127, 350301, 410963, 817369, 1232889, 2452107, 2876741, 8630223, 19986221, 59958663, 139903547, 419710641, 979324829, 2937974487, 6855273803, 20565821409]

約数ペア:

[(1, 20565821409), (3, 6855273803), (7, 2937974487), (21, 979324829), (49, 419710641), (147, 139903547), (343, 59958663), (1029, 19986221), (2383, 8630223), (7149, 2876741), (8387, 2452107), (16681, 1232889), (25161, 817369), (50043, 410963), (58709, 350301), (116767, 176127)]