20690484

素因数分解:

$2^2\times 3^1\times {\mathrm{907}}^1\times {\mathrm{1901}}^1$

素因数の和:2815

約数の個数: 24

約数和(自身を含む): 48356448

約数和(自身を除く): 27665964

約数列:

[1, 2, 3, 4, 6, 12, 907, 1814, 1901, 2721, 3628, 3802, 5442, 5703, 7604, 10884, 11406, 22812, 1724207, 3448414, 5172621, 6896828, 10345242, 20690484]

約数ペア:

[(1, 20690484), (2, 10345242), (3, 6896828), (4, 5172621), (6, 3448414), (12, 1724207), (907, 22812), (1814, 11406), (1901, 10884), (2721, 7604), (3628, 5703), (3802, 5442)]