20508750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{1823}}^1$

素因数の和:1851

約数の個数: 60

約数和(自身を含む): 55557216

約数和(自身を除く): 35048466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1823, 1875, 2250, 3646, 3750, 5469, 5625, 9115, 10938, 11250, 16407, 18230, 27345, 32814, 45575, 54690, 82035, 91150, 136725, 164070, 227875, 273450, 410175, 455750, 683625, 820350, 1139375, 1367250, 2050875, 2278750, 3418125, 4101750, 6836250, 10254375, 20508750]

約数ペア:

[(1, 20508750), (2, 10254375), (3, 6836250), (5, 4101750), (6, 3418125), (9, 2278750), (10, 2050875), (15, 1367250), (18, 1139375), (25, 820350), (30, 683625), (45, 455750), (50, 410175), (75, 273450), (90, 227875), (125, 164070), (150, 136725), (225, 91150), (250, 82035), (375, 54690), (450, 45575), (625, 32814), (750, 27345), (1125, 18230), (1250, 16407), (1823, 11250), (1875, 10938), (2250, 9115), (3646, 5625), (3750, 5469)]