20007647499

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{246251}}^1$

素因数の和:246387

約数の個数: 32

約数和(自身を含む): 31488735744

約数和(自身を除く): 11481088245

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 371, 511, 1113, 1533, 3869, 11607, 27083, 81249, 246251, 738753, 1723757, 5171271, 13051303, 17976323, 39153909, 53928969, 91359121, 125834261, 274077363, 377502783, 952745119, 2858235357, 6669215833, 20007647499]

約数ペア:

[(1, 20007647499), (3, 6669215833), (7, 2858235357), (21, 952745119), (53, 377502783), (73, 274077363), (159, 125834261), (219, 91359121), (371, 53928969), (511, 39153909), (1113, 17976323), (1533, 13051303), (3869, 5171271), (11607, 1723757), (27083, 738753), (81249, 246251)]