20347456

素因数分解:

$2^6\times {\mathrm{23}}^2\times {\mathrm{601}}^1$

素因数の和:659

約数の個数: 42

約数和(自身を含む): 42279062

約数和(自身を除く): 21931606

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 184, 368, 529, 601, 736, 1058, 1202, 1472, 2116, 2404, 4232, 4808, 8464, 9616, 13823, 16928, 19232, 27646, 33856, 38464, 55292, 110584, 221168, 317929, 442336, 635858, 884672, 1271716, 2543432, 5086864, 10173728, 20347456]

約数ペア:

[(1, 20347456), (2, 10173728), (4, 5086864), (8, 2543432), (16, 1271716), (23, 884672), (32, 635858), (46, 442336), (64, 317929), (92, 221168), (184, 110584), (368, 55292), (529, 38464), (601, 33856), (736, 27646), (1058, 19232), (1202, 16928), (1472, 13823), (2116, 9616), (2404, 8464), (4232, 4808)]