20025272

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 40106880

約数和(自身を除く): 20081608

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2531, 3956, 5062, 7912, 10124, 20248, 58213, 108833, 116426, 217666, 232852, 435332, 465704, 870664, 2503159, 5006318, 10012636, 20025272]

約数ペア:

[(1, 20025272), (2, 10012636), (4, 5006318), (8, 2503159), (23, 870664), (43, 465704), (46, 435332), (86, 232852), (92, 217666), (172, 116426), (184, 108833), (344, 58213), (989, 20248), (1978, 10124), (2531, 7912), (3956, 5062)]