20804388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^2$

素因数の和:812

約数の個数: 36

約数和(自身を含む): 53090352

約数和(自身を除く): 32285964

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 397, 794, 1191, 1588, 2382, 4367, 4764, 8734, 13101, 17468, 26202, 52404, 157609, 315218, 472827, 630436, 945654, 1733699, 1891308, 3467398, 5201097, 6934796, 10402194, 20804388]

約数ペア:

[(1, 20804388), (2, 10402194), (3, 6934796), (4, 5201097), (6, 3467398), (11, 1891308), (12, 1733699), (22, 945654), (33, 630436), (44, 472827), (66, 315218), (132, 157609), (397, 52404), (794, 26202), (1191, 17468), (1588, 13101), (2382, 8734), (4367, 4764)]