20072835

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 38806560

約数和(自身を除く): 18733725

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1381, 1615, 2907, 4143, 4845, 6905, 12429, 14535, 20715, 23477, 26239, 62145, 70431, 78717, 117385, 131195, 211293, 236151, 352155, 393585, 446063, 1056465, 1180755, 1338189, 2230315, 4014567, 6690945, 20072835]

約数ペア:

[(1, 20072835), (3, 6690945), (5, 4014567), (9, 2230315), (15, 1338189), (17, 1180755), (19, 1056465), (45, 446063), (51, 393585), (57, 352155), (85, 236151), (95, 211293), (153, 131195), (171, 117385), (255, 78717), (285, 70431), (323, 62145), (765, 26239), (855, 23477), (969, 20715), (1381, 14535), (1615, 12429), (2907, 6905), (4143, 4845)]