20344680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1871

約数の個数: 96

約数和(自身を含む): 68290560

約数和(自身を除く): 47945880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1823, 1860, 2232, 2790, 3646, 3720, 5469, 5580, 7292, 9115, 10938, 11160, 14584, 16407, 18230, 21876, 27345, 32814, 36460, 43752, 54690, 56513, 65628, 72920, 82035, 109380, 113026, 131256, 164070, 169539, 218760, 226052, 282565, 328140, 339078, 452104, 508617, 565130, 656280, 678156, 847695, 1017234, 1130260, 1356312, 1695390, 2034468, 2260520, 2543085, 3390780, 4068936, 5086170, 6781560, 10172340, 20344680]

約数ペア:

[(1, 20344680), (2, 10172340), (3, 6781560), (4, 5086170), (5, 4068936), (6, 3390780), (8, 2543085), (9, 2260520), (10, 2034468), (12, 1695390), (15, 1356312), (18, 1130260), (20, 1017234), (24, 847695), (30, 678156), (31, 656280), (36, 565130), (40, 508617), (45, 452104), (60, 339078), (62, 328140), (72, 282565), (90, 226052), (93, 218760), (120, 169539), (124, 164070), (155, 131256), (180, 113026), (186, 109380), (248, 82035), (279, 72920), (310, 65628), (360, 56513), (372, 54690), (465, 43752), (558, 36460), (620, 32814), (744, 27345), (930, 21876), (1116, 18230), (1240, 16407), (1395, 14584), (1823, 11160), (1860, 10938), (2232, 9115), (2790, 7292), (3646, 5580), (3720, 5469)]