20165372920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6547199}}^1$

素因数の和:6547228

約数の個数: 64

約数和(自身を含む): 56567808000

約数和(自身を除く): 36402435080

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, 6547199, 13094398, 26188796, 32735995, 45830393, 52377592, 65471990, 72019189, 91660786, 130943980, 144038378, 183321572, 229151965, 261887960, 288076756, 360095945, 366643144, 458303930, 504134323, 576153512, 720191890, 916607860, 1008268646, 1440383780, 1833215720, 2016537292, 2520671615, 2880767560, 4033074584, 5041343230, 10082686460, 20165372920]

約数ペア:

[(1, 20165372920), (2, 10082686460), (4, 5041343230), (5, 4033074584), (7, 2880767560), (8, 2520671615), (10, 2016537292), (11, 1833215720), (14, 1440383780), (20, 1008268646), (22, 916607860), (28, 720191890), (35, 576153512), (40, 504134323), (44, 458303930), (55, 366643144), (56, 360095945), (70, 288076756), (77, 261887960), (88, 229151965), (110, 183321572), (140, 144038378), (154, 130943980), (220, 91660786), (280, 72019189), (308, 65471990), (385, 52377592), (440, 45830393), (616, 32735995), (770, 26188796), (1540, 13094398), (3080, 6547199)]