20338384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1583}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 23265968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1583, 1606, 3166, 3212, 6332, 6424, 12664, 12848, 17413, 25328, 34826, 69652, 115559, 139304, 231118, 278608, 462236, 924472, 1271149, 1848944, 2542298, 5084596, 10169192, 20338384]

約数ペア:

[(1, 20338384), (2, 10169192), (4, 5084596), (8, 2542298), (11, 1848944), (16, 1271149), (22, 924472), (44, 462236), (73, 278608), (88, 231118), (146, 139304), (176, 115559), (292, 69652), (584, 34826), (803, 25328), (1168, 17413), (1583, 12848), (1606, 12664), (3166, 6424), (3212, 6332)]