20741270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 41021856

約数和(自身を除く): 20280586

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1201, 1570, 1727, 2402, 3454, 6005, 8635, 12010, 13211, 17270, 26422, 66055, 132110, 188557, 377114, 942785, 1885570, 2074127, 4148254, 10370635, 20741270]

約数ペア:

[(1, 20741270), (2, 10370635), (5, 4148254), (10, 2074127), (11, 1885570), (22, 942785), (55, 377114), (110, 188557), (157, 132110), (314, 66055), (785, 26422), (1201, 17270), (1570, 13211), (1727, 12010), (2402, 8635), (3454, 6005)]