20754535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 27055296

約数和(自身を除く): 6300761

約数列:

[1, 5, 17, 53, 85, 265, 271, 289, 901, 1355, 1445, 4505, 4607, 14363, 15317, 23035, 71815, 76585, 78319, 244171, 391595, 1220855, 4150907, 20754535]

約数ペア:

[(1, 20754535), (5, 4150907), (17, 1220855), (53, 391595), (85, 244171), (265, 78319), (271, 76585), (289, 71815), (901, 23035), (1355, 15317), (1445, 14363), (4505, 4607)]