20147685481

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2437}}^1\times {\mathrm{5651}}^1$

素因数の和:8125

約数の個数: 32

約数和(自身を含む): 26456785920

約数和(自身を除く): 6309100439

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 2437, 5651, 17059, 26807, 39557, 46303, 62161, 107369, 187649, 324121, 435127, 509333, 751583, 1181059, 3565331, 8267413, 13771487, 96400409, 151486357, 261658253, 1060404499, 1831607771, 2878240783, 20147685481]

約数ペア:

[(1, 20147685481), (7, 2878240783), (11, 1831607771), (19, 1060404499), (77, 261658253), (133, 151486357), (209, 96400409), (1463, 13771487), (2437, 8267413), (5651, 3565331), (17059, 1181059), (26807, 751583), (39557, 509333), (46303, 435127), (62161, 324121), (107369, 187649)]