20755004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 37231488

約数和(自身を除く): 16476484

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 683, 1366, 2732, 7597, 15194, 30388, 48493, 73081, 96986, 146162, 193972, 292324, 5188751, 10377502, 20755004]

約数ペア:

[(1, 20755004), (2, 10377502), (4, 5188751), (71, 292324), (107, 193972), (142, 146162), (214, 96986), (284, 73081), (428, 48493), (683, 30388), (1366, 15194), (2732, 7597)]