20974158

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68543}}^1$

素因数の和:68568

約数の個数: 24

約数和(自身を含む): 48117888

約数和(自身を除く): 27143730

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68543, 137086, 205629, 411258, 616887, 1165231, 1233774, 2330462, 3495693, 6991386, 10487079, 20974158]

約数ペア:

[(1, 20974158), (2, 10487079), (3, 6991386), (6, 3495693), (9, 2330462), (17, 1233774), (18, 1165231), (34, 616887), (51, 411258), (102, 205629), (153, 137086), (306, 68543)]