20996834725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{11971}}^1\times {\mathrm{4127}}^1$

素因数の和:16125

約数の個数: 24

約数和(自身を含む): 27576592128

約数和(自身を除く): 6579757403

約数列:

[1, 5, 17, 25, 85, 425, 4127, 11971, 20635, 59855, 70159, 103175, 203507, 299275, 350795, 1017535, 1753975, 5087675, 49404317, 247021585, 839873389, 1235107925, 4199366945, 20996834725]

約数ペア:

[(1, 20996834725), (5, 4199366945), (17, 1235107925), (25, 839873389), (85, 247021585), (425, 49404317), (4127, 5087675), (11971, 1753975), (20635, 1017535), (59855, 350795), (70159, 299275), (103175, 203507)]