20324920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6599}}^1$

素因数の和:6628

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36699080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6599, 13198, 26396, 32995, 46193, 52792, 65990, 72589, 92386, 131980, 145178, 184772, 230965, 263960, 290356, 362945, 369544, 461930, 508123, 580712, 725890, 923860, 1016246, 1451780, 1847720, 2032492, 2540615, 2903560, 4064984, 5081230, 10162460, 20324920]

約数ペア:

[(1, 20324920), (2, 10162460), (4, 5081230), (5, 4064984), (7, 2903560), (8, 2540615), (10, 2032492), (11, 1847720), (14, 1451780), (20, 1016246), (22, 923860), (28, 725890), (35, 580712), (40, 508123), (44, 461930), (55, 369544), (56, 362945), (70, 290356), (77, 263960), (88, 230965), (110, 184772), (140, 145178), (154, 131980), (220, 92386), (280, 72589), (308, 65990), (385, 52792), (440, 46193), (616, 32995), (770, 26396), (1540, 13198), (3080, 6599)]