20136078753

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1\times {\mathrm{17471}}^1$

素因数の和:18325

約数の個数: 32

約数和(自身を含む): 31157747712

約数和(自身を除く): 11021668959

約数列:

[1, 3, 7, 21, 71, 213, 497, 773, 1491, 2319, 5411, 16233, 17471, 52413, 54883, 122297, 164649, 366891, 384181, 1152543, 1240441, 3721323, 8683087, 13505083, 26049261, 40515249, 94535581, 283606743, 958860893, 2876582679, 6712026251, 20136078753]

約数ペア:

[(1, 20136078753), (3, 6712026251), (7, 2876582679), (21, 958860893), (71, 283606743), (213, 94535581), (497, 40515249), (773, 26049261), (1491, 13505083), (2319, 8683087), (5411, 3721323), (16233, 1240441), (17471, 1152543), (52413, 384181), (54883, 366891), (122297, 164649)]