20360145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 35304192

約数和(自身を除く): 14944047

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 263, 397, 789, 1191, 1315, 1985, 3419, 3945, 5161, 5955, 10257, 15483, 17095, 25805, 51285, 77415, 104411, 313233, 522055, 1357343, 1566165, 4072029, 6786715, 20360145]

約数ペア:

[(1, 20360145), (3, 6786715), (5, 4072029), (13, 1566165), (15, 1357343), (39, 522055), (65, 313233), (195, 104411), (263, 77415), (397, 51285), (789, 25805), (1191, 17095), (1315, 15483), (1985, 10257), (3419, 5955), (3945, 5161)]