20217843458

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1\times {\mathrm{87427}}^1$

素因数の和:90161

約数の個数: 16

約数和(自身を含む): 31043934240

約数和(自身を除く): 10826090782

約数列:

[1, 2, 43, 86, 2689, 5378, 87427, 115627, 174854, 231254, 3759361, 7518722, 235091203, 470182406, 10108921729, 20217843458]

約数ペア:

[(1, 20217843458), (2, 10108921729), (43, 470182406), (86, 235091203), (2689, 7518722), (5378, 3759361), (87427, 231254), (115627, 174854)]