20279710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 40217472

約数和(自身を除く): 19937762

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1723, 2354, 3446, 5885, 8615, 11770, 17230, 18953, 37906, 94765, 184361, 189530, 368722, 921805, 1843610, 2027971, 4055942, 10139855, 20279710]

約数ペア:

[(1, 20279710), (2, 10139855), (5, 4055942), (10, 2027971), (11, 1843610), (22, 921805), (55, 368722), (107, 189530), (110, 184361), (214, 94765), (535, 37906), (1070, 18953), (1177, 17230), (1723, 11770), (2354, 8615), (3446, 5885)]