20093983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 7001057

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 419, 527, 1547, 2821, 2933, 3689, 5447, 6851, 7123, 12989, 38129, 47957, 49861, 90923, 92599, 168857, 220813, 648193, 1181999, 1545691, 2870569, 20093983]

約数ペア:

[(1, 20093983), (7, 2870569), (13, 1545691), (17, 1181999), (31, 648193), (91, 220813), (119, 168857), (217, 92599), (221, 90923), (403, 49861), (419, 47957), (527, 38129), (1547, 12989), (2821, 7123), (2933, 6851), (3689, 5447)]