20996824618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{244781}}^1$

素因数の和:245358

約数の個数: 32

約数和(自身を含む): 39337446528

約数和(自身を除く): 18340621910

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 557, 1114, 3899, 6127, 7798, 12254, 42889, 85778, 244781, 489562, 1713467, 2692591, 3426934, 5385182, 18848137, 37696274, 136343017, 272686034, 954401119, 1499773187, 1908802238, 2999546374, 10498412309, 20996824618]

約数ペア:

[(1, 20996824618), (2, 10498412309), (7, 2999546374), (11, 1908802238), (14, 1499773187), (22, 954401119), (77, 272686034), (154, 136343017), (557, 37696274), (1114, 18848137), (3899, 5385182), (6127, 3426934), (7798, 2692591), (12254, 1713467), (42889, 489562), (85778, 244781)]