20149062515

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 24711008256

約数和(自身を除く): 4561945741

約数列:

[1, 5, 73, 263, 365, 431, 487, 1315, 2155, 2435, 19199, 31463, 35551, 95995, 113353, 128081, 157315, 177755, 209897, 566765, 640405, 1049485, 8274769, 9349913, 15322481, 41373845, 46749565, 55202911, 76612405, 276014555, 4029812503, 20149062515]

約数ペア:

[(1, 20149062515), (5, 4029812503), (73, 276014555), (263, 76612405), (365, 55202911), (431, 46749565), (487, 41373845), (1315, 15322481), (2155, 9349913), (2435, 8274769), (19199, 1049485), (31463, 640405), (35551, 566765), (95995, 209897), (113353, 177755), (128081, 157315)]