20148719619

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1\times {\mathrm{16931}}^1$

素因数の和:17931

約数の個数: 32

約数和(自身を含む): 31241571840

約数和(自身を除く): 11092852221

約数列:

[1, 3, 7, 21, 61, 183, 427, 929, 1281, 2787, 6503, 16931, 19509, 50793, 56669, 118517, 170007, 355551, 396683, 1032791, 1190049, 3098373, 7229537, 15728899, 21688611, 47186697, 110102293, 330306879, 959462839, 2878388517, 6716239873, 20148719619]

約数ペア:

[(1, 20148719619), (3, 6716239873), (7, 2878388517), (21, 959462839), (61, 330306879), (183, 110102293), (427, 47186697), (929, 21688611), (1281, 15728899), (2787, 7229537), (6503, 3098373), (16931, 1190049), (19509, 1032791), (50793, 396683), (56669, 355551), (118517, 170007)]