20921137159

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{92177}}^1$

素因数の和:92299

約数の個数: 24

約数和(自身を含む): 24290746560

約数和(自身を除く): 3369609401

約数列:

[1, 13, 17, 79, 169, 221, 1027, 1343, 2873, 13351, 17459, 92177, 226967, 1198301, 1567009, 7281983, 15577913, 20371117, 94665779, 123793711, 264824521, 1230655127, 1609318243, 20921137159]

約数ペア:

[(1, 20921137159), (13, 1609318243), (17, 1230655127), (79, 264824521), (169, 123793711), (221, 94665779), (1027, 20371117), (1343, 15577913), (2873, 7281983), (13351, 1567009), (17459, 1198301), (92177, 226967)]