20211642703

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1\times {\mathrm{2083}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 24855151104

約数和(自身を除く): 4643508401

約数列:

[1, 7, 17, 67, 119, 469, 1139, 1217, 2083, 7973, 8519, 14581, 20689, 35411, 81539, 139561, 144823, 247877, 570773, 976927, 1386163, 2372537, 2535011, 9703141, 16607759, 17745077, 43095187, 169845737, 301666309, 1188920159, 2887377529, 20211642703]

約数ペア:

[(1, 20211642703), (7, 2887377529), (17, 1188920159), (67, 301666309), (119, 169845737), (469, 43095187), (1139, 17745077), (1217, 16607759), (2083, 9703141), (7973, 2535011), (8519, 2372537), (14581, 1386163), (20689, 976927), (35411, 570773), (81539, 247877), (139561, 144823)]