20417561

素因数分解:

${\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 23341824

約数和(自身を除く): 2924263

約数列:

[1, 17, 31, 43, 53, 289, 527, 731, 901, 1333, 1643, 2279, 8959, 12427, 15317, 22661, 27931, 38743, 70649, 385237, 474827, 658631, 1201033, 20417561]

約数ペア:

[(1, 20417561), (17, 1201033), (31, 658631), (43, 474827), (53, 385237), (289, 70649), (527, 38743), (731, 27931), (901, 22661), (1333, 15317), (1643, 12427), (2279, 8959)]