20853052

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12809}}^1$

素因数の和:12861

約数の個数: 24

約数和(自身を含む): 40889520

約数和(自身を除く): 20036468

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12809, 25618, 51236, 140899, 281798, 473933, 563596, 947866, 1895732, 5213263, 10426526, 20853052]

約数ペア:

[(1, 20853052), (2, 10426526), (4, 5213263), (11, 1895732), (22, 947866), (37, 563596), (44, 473933), (74, 281798), (148, 140899), (407, 51236), (814, 25618), (1628, 12809)]