20120863773

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1\times {\mathrm{2213}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 27872595072

約数和(自身を除く): 7751731299

約数列:

[1, 3, 37, 101, 111, 303, 811, 2213, 2433, 3737, 6639, 11211, 30007, 81881, 81911, 90021, 223513, 245643, 245733, 670539, 1794743, 3030707, 5384229, 8269981, 9092121, 24809943, 66405491, 181269043, 199216473, 543807129, 6706954591, 20120863773]

約数ペア:

[(1, 20120863773), (3, 6706954591), (37, 543807129), (101, 199216473), (111, 181269043), (303, 66405491), (811, 24809943), (2213, 9092121), (2433, 8269981), (3737, 5384229), (6639, 3030707), (11211, 1794743), (30007, 670539), (81881, 245733), (81911, 245643), (90021, 223513)]