20237598905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{12889}}^1$

素因数の和:13113

約数の個数: 32

約数和(自身を含む): 25454140800

約数和(自身を除く): 5216541895

約数列:

[1, 5, 43, 67, 109, 215, 335, 545, 2881, 4687, 7303, 12889, 14405, 23435, 36515, 64445, 314029, 554227, 863563, 1404901, 1570145, 2771135, 4317815, 7024505, 37133209, 60410743, 94128367, 185666045, 302053715, 470641835, 4047519781, 20237598905]

約数ペア:

[(1, 20237598905), (5, 4047519781), (43, 470641835), (67, 302053715), (109, 185666045), (215, 94128367), (335, 60410743), (545, 37133209), (2881, 7024505), (4687, 4317815), (7303, 2771135), (12889, 1570145), (14405, 1404901), (23435, 863563), (36515, 554227), (64445, 314029)]