20786865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 36982656

約数和(自身を除く): 16195791

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2377, 2915, 7131, 8745, 11885, 26147, 35655, 78441, 125981, 130735, 377943, 392205, 629905, 1385791, 1889715, 4157373, 6928955, 20786865]

約数ペア:

[(1, 20786865), (3, 6928955), (5, 4157373), (11, 1889715), (15, 1385791), (33, 629905), (53, 392205), (55, 377943), (159, 130735), (165, 125981), (265, 78441), (583, 35655), (795, 26147), (1749, 11885), (2377, 8745), (2915, 7131)]