20956864

素因数分解:

$2^6\times {\mathrm{23}}^2\times {\mathrm{619}}^1$

素因数の和:677

約数の個数: 42

約数和(自身を含む): 43543220

約数和(自身を除く): 22586356

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 529, 619, 736, 1058, 1238, 1472, 2116, 2476, 4232, 4952, 8464, 9904, 14237, 16928, 19808, 28474, 33856, 39616, 56948, 113896, 227792, 327451, 455584, 654902, 911168, 1309804, 2619608, 5239216, 10478432, 20956864]

約数ペア:

[(1, 20956864), (2, 10478432), (4, 5239216), (8, 2619608), (16, 1309804), (23, 911168), (32, 654902), (46, 455584), (64, 327451), (92, 227792), (184, 113896), (368, 56948), (529, 39616), (619, 33856), (736, 28474), (1058, 19808), (1238, 16928), (1472, 14237), (2116, 9904), (2476, 8464), (4232, 4952)]