20962096

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 41787504

約数和(自身を除く): 20825408

約数列:

[1, 2, 4, 8, 16, 73, 131, 137, 146, 262, 274, 292, 524, 548, 584, 1048, 1096, 1168, 2096, 2192, 9563, 10001, 17947, 19126, 20002, 35894, 38252, 40004, 71788, 76504, 80008, 143576, 153008, 160016, 287152, 1310131, 2620262, 5240524, 10481048, 20962096]

約数ペア:

[(1, 20962096), (2, 10481048), (4, 5240524), (8, 2620262), (16, 1310131), (73, 287152), (131, 160016), (137, 153008), (146, 143576), (262, 80008), (274, 76504), (292, 71788), (524, 40004), (548, 38252), (584, 35894), (1048, 20002), (1096, 19126), (1168, 17947), (2096, 10001), (2192, 9563)]