20012392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1873

約数の個数: 32

約数和(自身を含む): 39818880

約数和(自身を除く): 19806488

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1783, 2806, 3566, 5612, 7132, 11224, 14264, 41009, 82018, 108763, 164036, 217526, 328072, 435052, 870104, 2501549, 5003098, 10006196, 20012392]

約数ペア:

[(1, 20012392), (2, 10006196), (4, 5003098), (8, 2501549), (23, 870104), (46, 435052), (61, 328072), (92, 217526), (122, 164036), (184, 108763), (244, 82018), (488, 41009), (1403, 14264), (1783, 11224), (2806, 7132), (3566, 5612)]