20722452840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{453247}}^1$

素因数の和:453391

約数の個数: 96

約数和(自身を含む): 67878420480

約数和(自身を除く): 47155967640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 508, 635, 762, 1016, 1143, 1270, 1524, 1905, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 7620, 9144, 11430, 15240, 22860, 45720, 453247, 906494, 1359741, 1812988, 2266235, 2719482, 3625976, 4079223, 4532470, 5438964, 6798705, 8158446, 9064940, 10877928, 13597410, 16316892, 18129880, 20396115, 27194820, 32633784, 40792230, 54389640, 57562369, 81584460, 115124738, 163168920, 172687107, 230249476, 287811845, 345374214, 460498952, 518061321, 575623690, 690748428, 863435535, 1036122642, 1151247380, 1381496856, 1726871070, 2072245284, 2302494760, 2590306605, 3453742140, 4144490568, 5180613210, 6907484280, 10361226420, 20722452840]

約数ペア:

[(1, 20722452840), (2, 10361226420), (3, 6907484280), (4, 5180613210), (5, 4144490568), (6, 3453742140), (8, 2590306605), (9, 2302494760), (10, 2072245284), (12, 1726871070), (15, 1381496856), (18, 1151247380), (20, 1036122642), (24, 863435535), (30, 690748428), (36, 575623690), (40, 518061321), (45, 460498952), (60, 345374214), (72, 287811845), (90, 230249476), (120, 172687107), (127, 163168920), (180, 115124738), (254, 81584460), (360, 57562369), (381, 54389640), (508, 40792230), (635, 32633784), (762, 27194820), (1016, 20396115), (1143, 18129880), (1270, 16316892), (1524, 13597410), (1905, 10877928), (2286, 9064940), (2540, 8158446), (3048, 6798705), (3810, 5438964), (4572, 4532470), (5080, 4079223), (5715, 3625976), (7620, 2719482), (9144, 2266235), (11430, 1812988), (15240, 1359741), (22860, 906494), (45720, 453247)]