20498418

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 46500480

約数和(自身を除く): 26002062

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 107, 174, 214, 261, 321, 367, 522, 642, 734, 963, 1101, 1926, 2202, 3103, 3303, 6206, 6606, 9309, 10643, 18618, 21286, 27927, 31929, 39269, 55854, 63858, 78538, 95787, 117807, 191574, 235614, 353421, 706842, 1138801, 2277602, 3416403, 6832806, 10249209, 20498418]

約数ペア:

[(1, 20498418), (2, 10249209), (3, 6832806), (6, 3416403), (9, 2277602), (18, 1138801), (29, 706842), (58, 353421), (87, 235614), (107, 191574), (174, 117807), (214, 95787), (261, 78538), (321, 63858), (367, 55854), (522, 39269), (642, 31929), (734, 27927), (963, 21286), (1101, 18618), (1926, 10643), (2202, 9309), (3103, 6606), (3303, 6206)]