20312285

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 29202432

約数和(自身を除く): 8890147

約数列:

[1, 5, 7, 31, 35, 97, 155, 193, 217, 485, 679, 965, 1085, 1351, 3007, 3395, 5983, 6755, 15035, 18721, 21049, 29915, 41881, 93605, 105245, 131047, 209405, 580351, 655235, 2901755, 4062457, 20312285]

約数ペア:

[(1, 20312285), (5, 4062457), (7, 2901755), (31, 655235), (35, 580351), (97, 209405), (155, 131047), (193, 105245), (217, 93605), (485, 41881), (679, 29915), (965, 21049), (1085, 18721), (1351, 15035), (3007, 6755), (3395, 5983)]