20781168

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{14929}}^1$

素因数の和:14969

約数の個数: 40

約数和(自身を含む): 55539600

約数和(自身を除く): 34758432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 14929, 29858, 44787, 59716, 89574, 119432, 179148, 238864, 358296, 432941, 716592, 865882, 1298823, 1731764, 2597646, 3463528, 5195292, 6927056, 10390584, 20781168]

約数ペア:

[(1, 20781168), (2, 10390584), (3, 6927056), (4, 5195292), (6, 3463528), (8, 2597646), (12, 1731764), (16, 1298823), (24, 865882), (29, 716592), (48, 432941), (58, 358296), (87, 238864), (116, 179148), (174, 119432), (232, 89574), (348, 59716), (464, 44787), (696, 29858), (1392, 14929)]