20949368

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8209}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 44334000

約数和(自身を除く): 23384632

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8209, 16418, 32836, 65672, 90299, 180598, 238061, 361196, 476122, 722392, 952244, 1904488, 2618671, 5237342, 10474684, 20949368]

約数ペア:

[(1, 20949368), (2, 10474684), (4, 5237342), (8, 2618671), (11, 1904488), (22, 952244), (29, 722392), (44, 476122), (58, 361196), (88, 238061), (116, 180598), (232, 90299), (319, 65672), (638, 32836), (1276, 16418), (2552, 8209)]