20455908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5048

約数の個数: 48

約数和(自身を含む): 53760000

約数和(自身を除く): 33304092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 4999, 9998, 14997, 19996, 29994, 54989, 59988, 109978, 154969, 164967, 219956, 309938, 329934, 464907, 619876, 659868, 929814, 1704659, 1859628, 3409318, 5113977, 6818636, 10227954, 20455908]

約数ペア:

[(1, 20455908), (2, 10227954), (3, 6818636), (4, 5113977), (6, 3409318), (11, 1859628), (12, 1704659), (22, 929814), (31, 659868), (33, 619876), (44, 464907), (62, 329934), (66, 309938), (93, 219956), (124, 164967), (132, 154969), (186, 109978), (341, 59988), (372, 54989), (682, 29994), (1023, 19996), (1364, 14997), (2046, 9998), (4092, 4999)]