20874045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 35735040

約数和(自身を除く): 14860995

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 751, 1635, 1853, 2253, 3755, 5559, 9265, 11265, 12767, 27795, 38301, 63835, 81859, 191505, 245577, 409295, 1227885, 1391603, 4174809, 6958015, 20874045]

約数ペア:

[(1, 20874045), (3, 6958015), (5, 4174809), (15, 1391603), (17, 1227885), (51, 409295), (85, 245577), (109, 191505), (255, 81859), (327, 63835), (545, 38301), (751, 27795), (1635, 12767), (1853, 11265), (2253, 9265), (3755, 5559)]