20892410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 48052224

約数和(自身を除く): 27159814

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 631, 770, 946, 1262, 1505, 2365, 3010, 3155, 3311, 4417, 4730, 6310, 6622, 6941, 8834, 13882, 16555, 22085, 27133, 33110, 34705, 44170, 48587, 54266, 69410, 97174, 135665, 189931, 242935, 271330, 298463, 379862, 485870, 596926, 949655, 1492315, 1899310, 2089241, 2984630, 4178482, 10446205, 20892410]

約数ペア:

[(1, 20892410), (2, 10446205), (5, 4178482), (7, 2984630), (10, 2089241), (11, 1899310), (14, 1492315), (22, 949655), (35, 596926), (43, 485870), (55, 379862), (70, 298463), (77, 271330), (86, 242935), (110, 189931), (154, 135665), (215, 97174), (301, 69410), (385, 54266), (430, 48587), (473, 44170), (602, 34705), (631, 33110), (770, 27133), (946, 22085), (1262, 16555), (1505, 13882), (2365, 8834), (3010, 6941), (3155, 6622), (3311, 6310), (4417, 4730)]