20408060554

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1621489}}^1$

素因数の和:1621558

約数の個数: 32

約数和(自身を含む): 37359129600

約数和(自身を除く): 16951069046

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 203, 217, 406, 434, 899, 1798, 6293, 12586, 1621489, 3242978, 11350423, 22700846, 47023181, 50266159, 94046362, 100532318, 329162267, 351863113, 658324534, 703726226, 1457718611, 2915437222, 10204030277, 20408060554]

約数ペア:

[(1, 20408060554), (2, 10204030277), (7, 2915437222), (14, 1457718611), (29, 703726226), (31, 658324534), (58, 351863113), (62, 329162267), (203, 100532318), (217, 94046362), (406, 50266159), (434, 47023181), (899, 22700846), (1798, 11350423), (6293, 3242978), (12586, 1621489)]