20120368

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{137}}^2$

素因数の和:349

約数の個数: 30

約数和(自身を含む): 39855956

約数和(自身を除く): 19735588

約数列:

[1, 2, 4, 8, 16, 67, 134, 137, 268, 274, 536, 548, 1072, 1096, 2192, 9179, 18358, 18769, 36716, 37538, 73432, 75076, 146864, 150152, 300304, 1257523, 2515046, 5030092, 10060184, 20120368]

約数ペア:

[(1, 20120368), (2, 10060184), (4, 5030092), (8, 2515046), (16, 1257523), (67, 300304), (134, 150152), (137, 146864), (268, 75076), (274, 73432), (536, 37538), (548, 36716), (1072, 18769), (1096, 18358), (2192, 9179)]