20884848

素因数分解:

$2^4\times 3^1\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:1961

約数の個数: 40

約数和(自身を含む): 54194448

約数和(自身を除く): 33309600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 257, 514, 771, 1028, 1542, 1693, 2056, 3084, 3386, 4112, 5079, 6168, 6772, 10158, 12336, 13544, 20316, 27088, 40632, 81264, 435101, 870202, 1305303, 1740404, 2610606, 3480808, 5221212, 6961616, 10442424, 20884848]

約数ペア:

[(1, 20884848), (2, 10442424), (3, 6961616), (4, 5221212), (6, 3480808), (8, 2610606), (12, 1740404), (16, 1305303), (24, 870202), (48, 435101), (257, 81264), (514, 40632), (771, 27088), (1028, 20316), (1542, 13544), (1693, 12336), (2056, 10158), (3084, 6772), (3386, 6168), (4112, 5079)]