20108672

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 40408320

約数和(自身を除く): 20299648

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 1237, 2032, 2474, 4064, 4948, 8128, 9896, 16256, 19792, 39584, 79168, 157099, 158336, 314198, 628396, 1256792, 2513584, 5027168, 10054336, 20108672]

約数ペア:

[(1, 20108672), (2, 10054336), (4, 5027168), (8, 2513584), (16, 1256792), (32, 628396), (64, 314198), (127, 158336), (128, 157099), (254, 79168), (508, 39584), (1016, 19792), (1237, 16256), (2032, 9896), (2474, 8128), (4064, 4948)]