20213382007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{86531}}^1$

素因数の和:86719

約数の個数: 32

約数和(自身を含む): 26516173824

約数和(自身を除く): 6302791817

約数列:

[1, 7, 13, 17, 91, 119, 151, 221, 1057, 1547, 1963, 2567, 13741, 17969, 33371, 86531, 233597, 605717, 1124903, 1471027, 7874321, 10297189, 13066181, 19123351, 91463267, 133863457, 169860353, 222125077, 1189022471, 1554875539, 2887626001, 20213382007]

約数ペア:

[(1, 20213382007), (7, 2887626001), (13, 1554875539), (17, 1189022471), (91, 222125077), (119, 169860353), (151, 133863457), (221, 91463267), (1057, 19123351), (1547, 13066181), (1963, 10297189), (2567, 7874321), (13741, 1471027), (17969, 1124903), (33371, 605717), (86531, 233597)]