20163702951

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4638533}}^1$

素因数の和:4638572

約数の個数: 32

約数和(自身を含む): 35623941120

約数和(自身を除く): 15460238169

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4638533, 13915599, 32469731, 41746797, 97409193, 106686259, 125240391, 292227579, 320058777, 746803813, 876682737, 960176331, 2240411439, 2880528993, 6721234317, 20163702951]

約数ペア:

[(1, 20163702951), (3, 6721234317), (7, 2880528993), (9, 2240411439), (21, 960176331), (23, 876682737), (27, 746803813), (63, 320058777), (69, 292227579), (161, 125240391), (189, 106686259), (207, 97409193), (483, 41746797), (621, 32469731), (1449, 13915599), (4347, 4638533)]