20948912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30449}}^1$

素因数の和:30500

約数の個数: 20

約数和(自身を含む): 41533800

約数和(自身を除く): 20584888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30449, 60898, 121796, 243592, 487184, 1309307, 2618614, 5237228, 10474456, 20948912]

約数ペア:

[(1, 20948912), (2, 10474456), (4, 5237228), (8, 2618614), (16, 1309307), (43, 487184), (86, 243592), (172, 121796), (344, 60898), (688, 30449)]