20952808

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49417}}^1$

素因数の和:49476

約数の個数: 16

約数和(自身を含む): 40028580

約数和(自身を除く): 19075772

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49417, 98834, 197668, 395336, 2619101, 5238202, 10476404, 20952808]

約数ペア:

[(1, 20952808), (2, 10476404), (4, 5238202), (8, 2619101), (53, 395336), (106, 197668), (212, 98834), (424, 49417)]