20496710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157667}}^1$

素因数の和:157687

約数の個数: 16

約数和(自身を含む): 39732336

約数和(自身を除く): 19235626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157667, 315334, 788335, 1576670, 2049671, 4099342, 10248355, 20496710]

約数ペア:

[(1, 20496710), (2, 10248355), (5, 4099342), (10, 2049671), (13, 1576670), (26, 788335), (65, 315334), (130, 157667)]