20915096

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{577}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 41199840

約数和(自身を除く): 20284744

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 197, 394, 577, 788, 1154, 1576, 2308, 4531, 4616, 9062, 13271, 18124, 26542, 36248, 53084, 106168, 113669, 227338, 454676, 909352, 2614387, 5228774, 10457548, 20915096]

約数ペア:

[(1, 20915096), (2, 10457548), (4, 5228774), (8, 2614387), (23, 909352), (46, 454676), (92, 227338), (184, 113669), (197, 106168), (394, 53084), (577, 36248), (788, 26542), (1154, 18124), (1576, 13271), (2308, 9062), (4531, 4616)]