20004328

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 18823832

約数列:

[1, 2, 4, 8, 47, 83, 94, 166, 188, 332, 376, 641, 664, 1282, 2564, 3901, 5128, 7802, 15604, 30127, 31208, 53203, 60254, 106406, 120508, 212812, 241016, 425624, 2500541, 5001082, 10002164, 20004328]

約数ペア:

[(1, 20004328), (2, 10002164), (4, 5001082), (8, 2500541), (47, 425624), (83, 241016), (94, 212812), (166, 120508), (188, 106406), (332, 60254), (376, 53203), (641, 31208), (664, 30127), (1282, 15604), (2564, 7802), (3901, 5128)]