20193912

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2284

約数の個数: 48

約数和(自身を含む): 55135080

約数和(自身を除く): 34941168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2141, 2358, 3144, 4282, 4716, 6423, 8564, 9432, 12846, 17128, 19269, 25692, 38538, 51384, 77076, 154152, 280471, 560942, 841413, 1121884, 1682826, 2243768, 2524239, 3365652, 5048478, 6731304, 10096956, 20193912]

約数ペア:

[(1, 20193912), (2, 10096956), (3, 6731304), (4, 5048478), (6, 3365652), (8, 2524239), (9, 2243768), (12, 1682826), (18, 1121884), (24, 841413), (36, 560942), (72, 280471), (131, 154152), (262, 77076), (393, 51384), (524, 38538), (786, 25692), (1048, 19269), (1179, 17128), (1572, 12846), (2141, 9432), (2358, 8564), (3144, 6423), (4282, 4716)]