20864356808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84130471}}^1$

素因数の和:84130508

約数の個数: 16

約数和(自身を含む): 40382626560

約数和(自身を除く): 19518269752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84130471, 168260942, 336521884, 673043768, 2608044601, 5216089202, 10432178404, 20864356808]

約数ペア:

[(1, 20864356808), (2, 10432178404), (4, 5216089202), (8, 2608044601), (31, 673043768), (62, 336521884), (124, 168260942), (248, 84130471)]