20481906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1458

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 23201934

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1279, 2558, 2669, 3837, 5338, 7674, 8007, 16014, 21743, 43486, 65229, 130458, 200803, 401606, 602409, 1204818, 3413651, 6827302, 10240953, 20481906]

約数ペア:

[(1, 20481906), (2, 10240953), (3, 6827302), (6, 3413651), (17, 1204818), (34, 602409), (51, 401606), (102, 200803), (157, 130458), (314, 65229), (471, 43486), (942, 21743), (1279, 16014), (2558, 8007), (2669, 7674), (3837, 5338)]