20044905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 34343040

約数和(自身を除く): 14298135

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1153, 1159, 3459, 3477, 5765, 5795, 17295, 17385, 21907, 65721, 70333, 109535, 210999, 328605, 351665, 1054995, 1336327, 4008981, 6681635, 20044905]

約数ペア:

[(1, 20044905), (3, 6681635), (5, 4008981), (15, 1336327), (19, 1054995), (57, 351665), (61, 328605), (95, 210999), (183, 109535), (285, 70333), (305, 65721), (915, 21907), (1153, 17385), (1159, 17295), (3459, 5795), (3477, 5765)]