20206516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 39414816

約数和(自身を除く): 19208300

約数列:

[1, 2, 4, 11, 22, 44, 83, 121, 166, 242, 332, 484, 503, 913, 1006, 1826, 2012, 3652, 5533, 10043, 11066, 20086, 22132, 40172, 41749, 60863, 83498, 121726, 166996, 243452, 459239, 918478, 1836956, 5051629, 10103258, 20206516]

約数ペア:

[(1, 20206516), (2, 10103258), (4, 5051629), (11, 1836956), (22, 918478), (44, 459239), (83, 243452), (121, 166996), (166, 121726), (242, 83498), (332, 60863), (484, 41749), (503, 40172), (913, 22132), (1006, 20086), (1826, 11066), (2012, 10043), (3652, 5533)]