20195778813

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{15427}}^1$

素因数の和:15666

約数の個数: 64

約数和(自身を含む): 34479728640

約数和(自身を除く): 14283949827

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 193, 323, 357, 399, 579, 969, 1351, 2261, 3281, 3667, 4053, 6783, 9843, 11001, 15427, 22967, 25669, 46281, 62339, 68901, 77007, 107989, 187017, 262259, 293113, 323967, 436373, 786777, 879339, 1309119, 1835813, 2051791, 2977411, 4982921, 5507439, 6155373, 8932233, 14948763, 20841877, 34880447, 50615987, 56570809, 62525631, 104641341, 151847961, 169712427, 354311909, 395995663, 961703753, 1062935727, 1187986989, 2885111259, 6731926271, 20195778813]

約数ペア:

[(1, 20195778813), (3, 6731926271), (7, 2885111259), (17, 1187986989), (19, 1062935727), (21, 961703753), (51, 395995663), (57, 354311909), (119, 169712427), (133, 151847961), (193, 104641341), (323, 62525631), (357, 56570809), (399, 50615987), (579, 34880447), (969, 20841877), (1351, 14948763), (2261, 8932233), (3281, 6155373), (3667, 5507439), (4053, 4982921), (6783, 2977411), (9843, 2051791), (11001, 1835813), (15427, 1309119), (22967, 879339), (25669, 786777), (46281, 436373), (62339, 323967), (68901, 293113), (77007, 262259), (107989, 187017)]