20536856

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 39417840

約数和(自身を除く): 18880984

約数列:

[1, 2, 4, 8, 83, 157, 166, 197, 314, 332, 394, 628, 664, 788, 1256, 1576, 13031, 16351, 26062, 30929, 32702, 52124, 61858, 65404, 104248, 123716, 130808, 247432, 2567107, 5134214, 10268428, 20536856]

約数ペア:

[(1, 20536856), (2, 10268428), (4, 5134214), (8, 2567107), (83, 247432), (157, 130808), (166, 123716), (197, 104248), (314, 65404), (332, 61858), (394, 52124), (628, 32702), (664, 30929), (788, 26062), (1256, 16351), (1576, 13031)]