20267786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3614

約数の個数: 32

約数和(自身を含む): 38938752

約数和(自身を除く): 18670966

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 3557, 5698, 7114, 24899, 39127, 49798, 78254, 131609, 263218, 273889, 547778, 921263, 1447699, 1842526, 2895398, 10133893, 20267786]

約数ペア:

[(1, 20267786), (2, 10133893), (7, 2895398), (11, 1842526), (14, 1447699), (22, 921263), (37, 547778), (74, 273889), (77, 263218), (154, 131609), (259, 78254), (407, 49798), (518, 39127), (814, 24899), (2849, 7114), (3557, 5698)]