20020560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:741

約数の個数: 160

約数和(自身を含む): 75209472

約数和(自身を除く): 55188912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 701, 714, 816, 840, 952, 1020, 1190, 1360, 1402, 1428, 1680, 1785, 1904, 2040, 2103, 2380, 2804, 2856, 3505, 3570, 4080, 4206, 4760, 4907, 5608, 5712, 7010, 7140, 8412, 9520, 9814, 10515, 11216, 11917, 14020, 14280, 14721, 16824, 19628, 21030, 23834, 24535, 28040, 28560, 29442, 33648, 35751, 39256, 42060, 47668, 49070, 56080, 58884, 59585, 71502, 73605, 78512, 83419, 84120, 95336, 98140, 117768, 119170, 143004, 147210, 166838, 168240, 178755, 190672, 196280, 235536, 238340, 250257, 286008, 294420, 333676, 357510, 392560, 417095, 476680, 500514, 572016, 588840, 667352, 715020, 834190, 953360, 1001028, 1177680, 1251285, 1334704, 1430040, 1668380, 2002056, 2502570, 2860080, 3336760, 4004112, 5005140, 6673520, 10010280, 20020560]

約数ペア:

[(1, 20020560), (2, 10010280), (3, 6673520), (4, 5005140), (5, 4004112), (6, 3336760), (7, 2860080), (8, 2502570), (10, 2002056), (12, 1668380), (14, 1430040), (15, 1334704), (16, 1251285), (17, 1177680), (20, 1001028), (21, 953360), (24, 834190), (28, 715020), (30, 667352), (34, 588840), (35, 572016), (40, 500514), (42, 476680), (48, 417095), (51, 392560), (56, 357510), (60, 333676), (68, 294420), (70, 286008), (80, 250257), (84, 238340), (85, 235536), (102, 196280), (105, 190672), (112, 178755), (119, 168240), (120, 166838), (136, 147210), (140, 143004), (168, 119170), (170, 117768), (204, 98140), (210, 95336), (238, 84120), (240, 83419), (255, 78512), (272, 73605), (280, 71502), (336, 59585), (340, 58884), (357, 56080), (408, 49070), (420, 47668), (476, 42060), (510, 39256), (560, 35751), (595, 33648), (680, 29442), (701, 28560), (714, 28040), (816, 24535), (840, 23834), (952, 21030), (1020, 19628), (1190, 16824), (1360, 14721), (1402, 14280), (1428, 14020), (1680, 11917), (1785, 11216), (1904, 10515), (2040, 9814), (2103, 9520), (2380, 8412), (2804, 7140), (2856, 7010), (3505, 5712), (3570, 5608), (4080, 4907), (4206, 4760)]