20899549

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 2840867

約数列:

[1, 11, 31, 167, 341, 367, 1837, 4037, 5177, 11377, 56947, 61289, 125147, 674179, 1899959, 20899549]

約数ペア:

[(1, 20899549), (11, 1899959), (31, 674179), (167, 125147), (341, 61289), (367, 56947), (1837, 11377), (4037, 5177)]