20216306859

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{499}}^1\times {\mathrm{1399}}^1$

素因数の和:2112

約数の個数: 48

約数和(自身を含む): 31600800000

約数和(自身を除く): 11384493141

約数列:

[1, 3, 7, 21, 49, 147, 197, 499, 591, 1379, 1399, 1497, 3493, 4137, 4197, 9653, 9793, 10479, 24451, 28959, 29379, 68551, 73353, 98303, 205653, 275603, 294909, 688121, 698101, 826809, 1929221, 2064363, 2094303, 4816847, 4886707, 5787663, 13504547, 14450541, 14660121, 34206949, 40513641, 102620847, 137525897, 412577691, 962681279, 2888043837, 6738768953, 20216306859]

約数ペア:

[(1, 20216306859), (3, 6738768953), (7, 2888043837), (21, 962681279), (49, 412577691), (147, 137525897), (197, 102620847), (499, 40513641), (591, 34206949), (1379, 14660121), (1399, 14450541), (1497, 13504547), (3493, 5787663), (4137, 4886707), (4197, 4816847), (9653, 2094303), (9793, 2064363), (10479, 1929221), (24451, 826809), (28959, 698101), (29379, 688121), (68551, 294909), (73353, 275603), (98303, 205653)]