20884836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 56228480

約数和(自身を除く): 35343644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2281, 2289, 3052, 4562, 4578, 6843, 9124, 9156, 13686, 15967, 27372, 31934, 47901, 63868, 95802, 191604, 248629, 497258, 745887, 994516, 1491774, 1740403, 2983548, 3480806, 5221209, 6961612, 10442418, 20884836]

約数ペア:

[(1, 20884836), (2, 10442418), (3, 6961612), (4, 5221209), (6, 3480806), (7, 2983548), (12, 1740403), (14, 1491774), (21, 994516), (28, 745887), (42, 497258), (84, 248629), (109, 191604), (218, 95802), (327, 63868), (436, 47901), (654, 31934), (763, 27372), (1308, 15967), (1526, 13686), (2281, 9156), (2289, 9124), (3052, 6843), (4562, 4578)]