20926038

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 49206960

約数和(自身を除く): 28280922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 109, 147, 218, 294, 327, 653, 654, 763, 1306, 1526, 1959, 2289, 3918, 4571, 4578, 5341, 9142, 10682, 13713, 16023, 27426, 31997, 32046, 63994, 71177, 95991, 142354, 191982, 213531, 427062, 498239, 996478, 1494717, 2989434, 3487673, 6975346, 10463019, 20926038]

約数ペア:

[(1, 20926038), (2, 10463019), (3, 6975346), (6, 3487673), (7, 2989434), (14, 1494717), (21, 996478), (42, 498239), (49, 427062), (98, 213531), (109, 191982), (147, 142354), (218, 95991), (294, 71177), (327, 63994), (653, 32046), (654, 31997), (763, 27426), (1306, 16023), (1526, 13713), (1959, 10682), (2289, 9142), (3918, 5341), (4571, 4578)]