20480097

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 11001759

約数列:

[1, 3, 11, 23, 33, 69, 121, 223, 253, 363, 669, 759, 1331, 2453, 2783, 3993, 5129, 7359, 8349, 15387, 26983, 30613, 56419, 80949, 91839, 169257, 296813, 620609, 890439, 1861827, 6826699, 20480097]

約数ペア:

[(1, 20480097), (3, 6826699), (11, 1861827), (23, 890439), (33, 620609), (69, 296813), (121, 169257), (223, 91839), (253, 80949), (363, 56419), (669, 30613), (759, 26983), (1331, 15387), (2453, 8349), (2783, 7359), (3993, 5129)]