20448994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 33872256

約数和(自身を除く): 13423262

約数列:

[1, 2, 17, 34, 43, 71, 86, 142, 197, 394, 731, 1207, 1462, 2414, 3053, 3349, 6106, 6698, 8471, 13987, 16942, 27974, 51901, 103802, 144007, 237779, 288014, 475558, 601441, 1202882, 10224497, 20448994]

約数ペア:

[(1, 20448994), (2, 10224497), (17, 1202882), (34, 601441), (43, 475558), (71, 288014), (86, 237779), (142, 144007), (197, 103802), (394, 51901), (731, 27974), (1207, 16942), (1462, 13987), (2414, 8471), (3053, 6698), (3349, 6106)]