20760983992

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1\times {\mathrm{14929}}^1$

素因数の和:16268

約数の個数: 64

約数和(自身を含む): 46868256000

約数和(自身を除く): 26107272008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1307, 2614, 5228, 9149, 10456, 14929, 18298, 24833, 29858, 36596, 49666, 59716, 73192, 99332, 104503, 119432, 173831, 198664, 209006, 283651, 347662, 418012, 567302, 695324, 836024, 1134604, 1390648, 1985557, 2269208, 3971114, 7942228, 15884456, 19512203, 39024406, 78048812, 136585421, 156097624, 273170842, 370731857, 546341684, 741463714, 1092683368, 1482927428, 2595122999, 2965854856, 5190245998, 10380491996, 20760983992]

約数ペア:

[(1, 20760983992), (2, 10380491996), (4, 5190245998), (7, 2965854856), (8, 2595122999), (14, 1482927428), (19, 1092683368), (28, 741463714), (38, 546341684), (56, 370731857), (76, 273170842), (133, 156097624), (152, 136585421), (266, 78048812), (532, 39024406), (1064, 19512203), (1307, 15884456), (2614, 7942228), (5228, 3971114), (9149, 2269208), (10456, 1985557), (14929, 1390648), (18298, 1134604), (24833, 836024), (29858, 695324), (36596, 567302), (49666, 418012), (59716, 347662), (73192, 283651), (99332, 209006), (104503, 198664), (119432, 173831)]