20248560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28123}}^1$

素因数の和:28142

約数の個数: 60

約数和(自身を含む): 68003832

約数和(自身を除く): 47755272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28123, 56246, 84369, 112492, 140615, 168738, 224984, 253107, 281230, 337476, 421845, 449968, 506214, 562460, 674952, 843690, 1012428, 1124920, 1265535, 1349904, 1687380, 2024856, 2249840, 2531070, 3374760, 4049712, 5062140, 6749520, 10124280, 20248560]

約数ペア:

[(1, 20248560), (2, 10124280), (3, 6749520), (4, 5062140), (5, 4049712), (6, 3374760), (8, 2531070), (9, 2249840), (10, 2024856), (12, 1687380), (15, 1349904), (16, 1265535), (18, 1124920), (20, 1012428), (24, 843690), (30, 674952), (36, 562460), (40, 506214), (45, 449968), (48, 421845), (60, 337476), (72, 281230), (80, 253107), (90, 224984), (120, 168738), (144, 140615), (180, 112492), (240, 84369), (360, 56246), (720, 28123)]