20295387

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 34856960

約数和(自身を除く): 14561573

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1471, 1533, 1971, 4413, 4599, 10297, 13239, 13797, 30891, 39717, 92673, 107383, 278019, 322149, 751681, 966447, 2255043, 2899341, 6765129, 20295387]

約数ペア:

[(1, 20295387), (3, 6765129), (7, 2899341), (9, 2255043), (21, 966447), (27, 751681), (63, 322149), (73, 278019), (189, 107383), (219, 92673), (511, 39717), (657, 30891), (1471, 13797), (1533, 13239), (1971, 10297), (4413, 4599)]