20247843

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 36421632

約数和(自身を除く): 16173789

約数列:

[1, 3, 7, 11, 21, 23, 33, 37, 69, 77, 103, 111, 161, 231, 253, 259, 309, 407, 483, 721, 759, 777, 851, 1133, 1221, 1771, 2163, 2369, 2553, 2849, 3399, 3811, 5313, 5957, 7107, 7931, 8547, 9361, 11433, 16583, 17871, 23793, 26059, 26677, 28083, 41921, 49749, 65527, 78177, 80031, 87653, 125763, 182413, 196581, 262959, 293447, 547239, 613571, 880341, 964183, 1840713, 2892549, 6749281, 20247843]

約数ペア:

[(1, 20247843), (3, 6749281), (7, 2892549), (11, 1840713), (21, 964183), (23, 880341), (33, 613571), (37, 547239), (69, 293447), (77, 262959), (103, 196581), (111, 182413), (161, 125763), (231, 87653), (253, 80031), (259, 78177), (309, 65527), (407, 49749), (483, 41921), (721, 28083), (759, 26677), (777, 26059), (851, 23793), (1133, 17871), (1221, 16583), (1771, 11433), (2163, 9361), (2369, 8547), (2553, 7931), (2849, 7107), (3399, 5957), (3811, 5313)]