20099608

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 39564000

約数和(自身を除く): 19464392

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 313, 349, 626, 698, 1252, 1396, 2504, 2792, 7199, 8027, 14398, 16054, 28796, 32108, 57592, 64216, 109237, 218474, 436948, 873896, 2512451, 5024902, 10049804, 20099608]

約数ペア:

[(1, 20099608), (2, 10049804), (4, 5024902), (8, 2512451), (23, 873896), (46, 436948), (92, 218474), (184, 109237), (313, 64216), (349, 57592), (626, 32108), (698, 28796), (1252, 16054), (1396, 14398), (2504, 8027), (2792, 7199)]