20385527617819

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1\times {\mathrm{4877}}^1$

素因数の和:5469

約数の個数: 128

約数和(自身を含む): 27344422748160

約数和(自身を除く): 6958895130341

約数列:

[1, 7, 13, 19, 37, 91, 133, 223, 247, 259, 293, 481, 703, 1561, 1729, 2051, 2899, 3367, 3809, 4237, 4877, 4921, 5567, 8251, 9139, 10841, 20293, 26663, 29659, 34139, 38969, 55081, 57757, 63401, 63973, 65339, 72371, 75887, 92663, 107263, 140933, 156769, 180449, 205979, 385567, 443807, 457373, 506597, 648641, 750841, 849407, 986531, 1087571, 1097383, 1204619, 1241441, 1263143, 1428961, 1441853, 2037997, 2345837, 2417543, 2677727, 3428531, 5945849, 7612997, 8432333, 8690087, 10002727, 14138423, 14265979, 16138733, 16420859, 16922801, 18576493, 18744089, 20663849, 23999717, 27150259, 31428059, 40240127, 44570903, 45933317, 52871557, 98968961, 112971131, 130035451, 144646943, 190051813, 219996413, 268630037, 281680889, 311996321, 318658303, 321533219, 352953367, 370100899, 523121651, 597133121, 687330241, 764562413, 1004559583, 1880410259, 2230608121, 2470673569, 3661851557, 4142557939, 4179931847, 4811311687, 5351936891, 6054507757, 7031917081, 9939311369, 11790357211, 13059274579, 28997905573, 42381554299, 69575179583, 78708600841, 82532500477, 91414922053, 153274643743, 224016787009, 550960205887, 1072922506201, 1568117509063, 2912218231117, 20385527617819]

約数ペア:

[(1, 20385527617819), (7, 2912218231117), (13, 1568117509063), (19, 1072922506201), (37, 550960205887), (91, 224016787009), (133, 153274643743), (223, 91414922053), (247, 82532500477), (259, 78708600841), (293, 69575179583), (481, 42381554299), (703, 28997905573), (1561, 13059274579), (1729, 11790357211), (2051, 9939311369), (2899, 7031917081), (3367, 6054507757), (3809, 5351936891), (4237, 4811311687), (4877, 4179931847), (4921, 4142557939), (5567, 3661851557), (8251, 2470673569), (9139, 2230608121), (10841, 1880410259), (20293, 1004559583), (26663, 764562413), (29659, 687330241), (34139, 597133121), (38969, 523121651), (55081, 370100899), (57757, 352953367), (63401, 321533219), (63973, 318658303), (65339, 311996321), (72371, 281680889), (75887, 268630037), (92663, 219996413), (107263, 190051813), (140933, 144646943), (156769, 130035451), (180449, 112971131), (205979, 98968961), (385567, 52871557), (443807, 45933317), (457373, 44570903), (506597, 40240127), (648641, 31428059), (750841, 27150259), (849407, 23999717), (986531, 20663849), (1087571, 18744089), (1097383, 18576493), (1204619, 16922801), (1241441, 16420859), (1263143, 16138733), (1428961, 14265979), (1441853, 14138423), (2037997, 10002727), (2345837, 8690087), (2417543, 8432333), (2677727, 7612997), (3428531, 5945849)]