20866461

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 35063808

約数和(自身を除く): 14197347

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 877, 1133, 2163, 2631, 3399, 6139, 7931, 9647, 18417, 23793, 28941, 67529, 90331, 202587, 270993, 632317, 993641, 1896951, 2980923, 6955487, 20866461]

約数ペア:

[(1, 20866461), (3, 6955487), (7, 2980923), (11, 1896951), (21, 993641), (33, 632317), (77, 270993), (103, 202587), (231, 90331), (309, 67529), (721, 28941), (877, 23793), (1133, 18417), (2163, 9647), (2631, 7931), (3399, 6139)]