20439592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134471}}^1$

素因数の和:134496

約数の個数: 16

約数和(自身を含む): 40341600

約数和(自身を除く): 19902008

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134471, 268942, 537884, 1075768, 2554949, 5109898, 10219796, 20439592]

約数ペア:

[(1, 20439592), (2, 10219796), (4, 5109898), (8, 2554949), (19, 1075768), (38, 537884), (76, 268942), (152, 134471)]