20348829

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 31216640

約数和(自身を除く): 10867811

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 937, 1143, 2413, 2811, 7239, 8433, 17803, 21717, 53409, 118999, 160227, 356997, 1070991, 2260981, 6782943, 20348829]

約数ペア:

[(1, 20348829), (3, 6782943), (9, 2260981), (19, 1070991), (57, 356997), (127, 160227), (171, 118999), (381, 53409), (937, 21717), (1143, 17803), (2413, 8433), (2811, 7239)]