20687639614

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{521809}}^1$

素因数の和:522315

約数の個数: 16

約数和(自身を含む): 31822061040

約数和(自身を除く): 11134421426

約数列:

[1, 2, 43, 86, 461, 922, 19823, 39646, 521809, 1043618, 22437787, 44875574, 240553949, 481107898, 10343819807, 20687639614]

約数ペア:

[(1, 20687639614), (2, 10343819807), (43, 481107898), (86, 240553949), (461, 44875574), (922, 22437787), (19823, 1043618), (39646, 521809)]