20086852480

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{667781}}^1$

素因数の和:667847

約数の個数: 64

約数和(自身を含む): 49041910080

約数和(自身を除く): 28955057600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3760, 6016, 7520, 15040, 30080, 667781, 1335562, 2671124, 3338905, 5342248, 6677810, 10684496, 13355620, 21368992, 26711240, 31385707, 42737984, 53422480, 62771414, 85475968, 106844960, 125542828, 156928535, 213689920, 251085656, 313857070, 427379840, 502171312, 627714140, 1004342624, 1255428280, 2008685248, 2510856560, 4017370496, 5021713120, 10043426240, 20086852480]

約数ペア:

[(1, 20086852480), (2, 10043426240), (4, 5021713120), (5, 4017370496), (8, 2510856560), (10, 2008685248), (16, 1255428280), (20, 1004342624), (32, 627714140), (40, 502171312), (47, 427379840), (64, 313857070), (80, 251085656), (94, 213689920), (128, 156928535), (160, 125542828), (188, 106844960), (235, 85475968), (320, 62771414), (376, 53422480), (470, 42737984), (640, 31385707), (752, 26711240), (940, 21368992), (1504, 13355620), (1880, 10684496), (3008, 6677810), (3760, 5342248), (6016, 3338905), (7520, 2671124), (15040, 1335562), (30080, 667781)]