20784588

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1559}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32679732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 132, 202, 303, 404, 606, 1111, 1212, 1559, 2222, 3118, 3333, 4444, 4677, 6236, 6666, 9354, 13332, 17149, 18708, 34298, 51447, 68596, 102894, 157459, 205788, 314918, 472377, 629836, 944754, 1732049, 1889508, 3464098, 5196147, 6928196, 10392294, 20784588]

約数ペア:

[(1, 20784588), (2, 10392294), (3, 6928196), (4, 5196147), (6, 3464098), (11, 1889508), (12, 1732049), (22, 944754), (33, 629836), (44, 472377), (66, 314918), (101, 205788), (132, 157459), (202, 102894), (303, 68596), (404, 51447), (606, 34298), (1111, 18708), (1212, 17149), (1559, 13332), (2222, 9354), (3118, 6666), (3333, 6236), (4444, 4677)]