220176688

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{21269}}^1$

素因数の和:21924

約数の個数: 20

約数和(自身を含む): 427271760

約数和(自身を除く): 207095072

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 21269, 42538, 85076, 170152, 340304, 13761043, 27522086, 55044172, 110088344, 220176688]

約数ペア:

[(1, 220176688), (2, 110088344), (4, 55044172), (8, 27522086), (16, 13761043), (647, 340304), (1294, 170152), (2588, 85076), (5176, 42538), (10352, 21269)]