20318446064

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:995

約数の個数: 120

約数和(自身を含む): 46715295744

約数和(自身を除く): 26396849680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 311, 434, 496, 607, 622, 868, 961, 1214, 1244, 1736, 1922, 2177, 2428, 2488, 3472, 3844, 4249, 4354, 4856, 4976, 6727, 7688, 8498, 8708, 9641, 9712, 13454, 15376, 16996, 17416, 18817, 19282, 26908, 33992, 34832, 37634, 38564, 53816, 67487, 67984, 75268, 77128, 107632, 131719, 134974, 150536, 154256, 188777, 263438, 269948, 298871, 301072, 377554, 526876, 539896, 583327, 597742, 755108, 1053752, 1079792, 1166654, 1195484, 1321439, 1510216, 2092097, 2107504, 2333308, 2390968, 2642878, 3020432, 4083289, 4184194, 4666616, 4781936, 5285756, 5852087, 8166578, 8368388, 9333232, 10571512, 11704174, 16333156, 16736776, 21143024, 23408348, 32666312, 33473552, 40964609, 46816696, 65332624, 81929218, 93633392, 163858436, 181414697, 327716872, 362829394, 655433744, 725658788, 1269902879, 1451317576, 2539805758, 2902635152, 5079611516, 10159223032, 20318446064]

約数ペア:

[(1, 20318446064), (2, 10159223032), (4, 5079611516), (7, 2902635152), (8, 2539805758), (14, 1451317576), (16, 1269902879), (28, 725658788), (31, 655433744), (56, 362829394), (62, 327716872), (112, 181414697), (124, 163858436), (217, 93633392), (248, 81929218), (311, 65332624), (434, 46816696), (496, 40964609), (607, 33473552), (622, 32666312), (868, 23408348), (961, 21143024), (1214, 16736776), (1244, 16333156), (1736, 11704174), (1922, 10571512), (2177, 9333232), (2428, 8368388), (2488, 8166578), (3472, 5852087), (3844, 5285756), (4249, 4781936), (4354, 4666616), (4856, 4184194), (4976, 4083289), (6727, 3020432), (7688, 2642878), (8498, 2390968), (8708, 2333308), (9641, 2107504), (9712, 2092097), (13454, 1510216), (15376, 1321439), (16996, 1195484), (17416, 1166654), (18817, 1079792), (19282, 1053752), (26908, 755108), (33992, 597742), (34832, 583327), (37634, 539896), (38564, 526876), (53816, 377554), (67487, 301072), (67984, 298871), (75268, 269948), (77128, 263438), (107632, 188777), (131719, 154256), (134974, 150536)]