20199743487

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{4591}}^1$

素因数の和:5529

約数の個数: 72

約数和(自身を含む): 37075514112

約数和(自身を除く): 16875770625

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 907, 1617, 2721, 4591, 4851, 6349, 8163, 9977, 13773, 19047, 29931, 32137, 41319, 44443, 50501, 57141, 69839, 89793, 96411, 133329, 151503, 209517, 224959, 289233, 353507, 399987, 454509, 488873, 628551, 674877, 1060521, 1466619, 2024631, 2474549, 3181563, 4164037, 4399857, 7423647, 12492111, 22270941, 29148259, 37476333, 45804407, 87444777, 137413221, 204037813, 262334331, 320630849, 412239663, 612113439, 961892547, 1836340317, 2244415943, 2885677641, 6733247829, 20199743487]

約数ペア:

[(1, 20199743487), (3, 6733247829), (7, 2885677641), (9, 2244415943), (11, 1836340317), (21, 961892547), (33, 612113439), (49, 412239663), (63, 320630849), (77, 262334331), (99, 204037813), (147, 137413221), (231, 87444777), (441, 45804407), (539, 37476333), (693, 29148259), (907, 22270941), (1617, 12492111), (2721, 7423647), (4591, 4399857), (4851, 4164037), (6349, 3181563), (8163, 2474549), (9977, 2024631), (13773, 1466619), (19047, 1060521), (29931, 674877), (32137, 628551), (41319, 488873), (44443, 454509), (50501, 399987), (57141, 353507), (69839, 289233), (89793, 224959), (96411, 209517), (133329, 151503)]