20005978454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{6427}}^1$

素因数の和:6534

約数の個数: 128

約数和(自身を含む): 41986667520

約数和(自身を除く): 21980689066

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 41, 58, 77, 82, 119, 154, 187, 203, 238, 287, 319, 374, 406, 451, 493, 574, 638, 697, 902, 986, 1189, 1309, 1394, 2233, 2378, 2618, 3157, 3451, 4466, 4879, 5423, 6314, 6427, 6902, 7667, 8323, 9758, 10846, 12854, 13079, 15334, 16646, 20213, 26158, 37961, 40426, 44989, 53669, 70697, 75922, 89978, 91553, 107338, 109259, 141394, 141491, 183106, 186383, 218518, 222343, 263507, 282982, 372766, 444686, 494879, 527014, 764813, 989758, 1201849, 1304681, 1529626, 1556401, 1844549, 2050213, 2403698, 2609362, 2898577, 3112802, 3168511, 3689098, 4100426, 4479619, 5797154, 6337022, 7641703, 8412943, 8959238, 14351491, 15283406, 16825886, 20290039, 22179577, 28702982, 31357333, 34853621, 40580078, 44359154, 49275809, 53491921, 62714666, 69707242, 84058733, 98551618, 106983842, 129908951, 168117466, 243975347, 259817902, 344930663, 487950694, 588411131, 689861326, 909362657, 1176822262, 1428998461, 1818725314, 2857996922, 10002989227, 20005978454]

約数ペア:

[(1, 20005978454), (2, 10002989227), (7, 2857996922), (11, 1818725314), (14, 1428998461), (17, 1176822262), (22, 909362657), (29, 689861326), (34, 588411131), (41, 487950694), (58, 344930663), (77, 259817902), (82, 243975347), (119, 168117466), (154, 129908951), (187, 106983842), (203, 98551618), (238, 84058733), (287, 69707242), (319, 62714666), (374, 53491921), (406, 49275809), (451, 44359154), (493, 40580078), (574, 34853621), (638, 31357333), (697, 28702982), (902, 22179577), (986, 20290039), (1189, 16825886), (1309, 15283406), (1394, 14351491), (2233, 8959238), (2378, 8412943), (2618, 7641703), (3157, 6337022), (3451, 5797154), (4466, 4479619), (4879, 4100426), (5423, 3689098), (6314, 3168511), (6427, 3112802), (6902, 2898577), (7667, 2609362), (8323, 2403698), (9758, 2050213), (10846, 1844549), (12854, 1556401), (13079, 1529626), (15334, 1304681), (16646, 1201849), (20213, 989758), (26158, 764813), (37961, 527014), (40426, 494879), (44989, 444686), (53669, 372766), (70697, 282982), (75922, 263507), (89978, 222343), (91553, 218518), (107338, 186383), (109259, 183106), (141394, 141491)]