20324367

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2711}}^1$

素因数の和:2748

約数の個数: 36

約数和(自身を含む): 36172656

約数和(自身を除く): 15848289

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 2711, 7497, 8133, 18977, 24399, 46087, 56931, 132839, 138261, 170793, 322609, 398517, 414783, 967827, 1195551, 2258263, 2903481, 6774789, 20324367]

約数ペア:

[(1, 20324367), (3, 6774789), (7, 2903481), (9, 2258263), (17, 1195551), (21, 967827), (49, 414783), (51, 398517), (63, 322609), (119, 170793), (147, 138261), (153, 132839), (357, 56931), (441, 46087), (833, 24399), (1071, 18977), (2499, 8133), (2711, 7497)]