20123821029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1\times {\mathrm{3037}}^1$

素因数の和:5517

約数の個数: 32

約数和(自身を含む): 29324623104

約数和(自身を除く): 9200802075

約数列:

[1, 3, 13, 39, 71, 213, 923, 2393, 2769, 3037, 7179, 9111, 31109, 39481, 93327, 118443, 169903, 215627, 509709, 646881, 2208739, 2803151, 6626217, 7267541, 8409453, 21802623, 94478033, 283434099, 515995411, 1547986233, 6707940343, 20123821029]

約数ペア:

[(1, 20123821029), (3, 6707940343), (13, 1547986233), (39, 515995411), (71, 283434099), (213, 94478033), (923, 21802623), (2393, 8409453), (2769, 7267541), (3037, 6626217), (7179, 2803151), (9111, 2208739), (31109, 646881), (39481, 509709), (93327, 215627), (118443, 169903)]