20836244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 43512000

約数和(自身を除く): 22675756

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 499, 572, 803, 949, 998, 1606, 1898, 1996, 3212, 3796, 5489, 6487, 10439, 10978, 12974, 20878, 21956, 25948, 36427, 41756, 71357, 72854, 142714, 145708, 285428, 400697, 473551, 801394, 947102, 1602788, 1894204, 5209061, 10418122, 20836244]

約数ペア:

[(1, 20836244), (2, 10418122), (4, 5209061), (11, 1894204), (13, 1602788), (22, 947102), (26, 801394), (44, 473551), (52, 400697), (73, 285428), (143, 145708), (146, 142714), (286, 72854), (292, 71357), (499, 41756), (572, 36427), (803, 25948), (949, 21956), (998, 20878), (1606, 12974), (1898, 10978), (1996, 10439), (3212, 6487), (3796, 5489)]