20542052

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1669}}^1$

素因数の和:1871

約数の個数: 24

約数和(自身を含む): 38296440

約数和(自身を除く): 17754388

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 1669, 3077, 3338, 6154, 6676, 12308, 28373, 56746, 113492, 302089, 604178, 1208356, 5135513, 10271026, 20542052]

約数ペア:

[(1, 20542052), (2, 10271026), (4, 5135513), (17, 1208356), (34, 604178), (68, 302089), (181, 113492), (362, 56746), (724, 28373), (1669, 12308), (3077, 6676), (3338, 6154)]