20283788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 23713396

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 991, 1204, 1462, 1982, 2924, 3964, 5117, 6937, 10234, 13874, 16847, 20468, 27748, 33694, 42613, 67388, 85226, 117929, 170452, 235858, 298291, 471716, 596582, 724421, 1193164, 1448842, 2897684, 5070947, 10141894, 20283788]

約数ペア:

[(1, 20283788), (2, 10141894), (4, 5070947), (7, 2897684), (14, 1448842), (17, 1193164), (28, 724421), (34, 596582), (43, 471716), (68, 298291), (86, 235858), (119, 170452), (172, 117929), (238, 85226), (301, 67388), (476, 42613), (602, 33694), (731, 27748), (991, 20468), (1204, 16847), (1462, 13874), (1982, 10234), (2924, 6937), (3964, 5117)]