20506434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 26788926

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 101, 114, 137, 202, 247, 274, 303, 411, 494, 606, 741, 822, 1313, 1482, 1781, 1919, 2603, 2626, 3562, 3838, 3939, 5206, 5343, 5757, 7809, 7878, 10686, 11514, 13837, 15618, 24947, 27674, 33839, 41511, 49894, 67678, 74841, 83022, 101517, 149682, 179881, 203034, 262903, 359762, 525806, 539643, 788709, 1079286, 1577418, 3417739, 6835478, 10253217, 20506434]

約数ペア:

[(1, 20506434), (2, 10253217), (3, 6835478), (6, 3417739), (13, 1577418), (19, 1079286), (26, 788709), (38, 539643), (39, 525806), (57, 359762), (78, 262903), (101, 203034), (114, 179881), (137, 149682), (202, 101517), (247, 83022), (274, 74841), (303, 67678), (411, 49894), (494, 41511), (606, 33839), (741, 27674), (822, 24947), (1313, 15618), (1482, 13837), (1781, 11514), (1919, 10686), (2603, 7878), (2626, 7809), (3562, 5757), (3838, 5343), (3939, 5206)]