20364885

素因数分解:

$3^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{601}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 16044075

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 251, 601, 753, 1255, 1803, 2259, 3005, 3765, 5409, 6777, 9015, 11295, 16227, 27045, 33885, 81135, 150851, 452553, 754255, 1357659, 2262765, 4072977, 6788295, 20364885]

約数ペア:

[(1, 20364885), (3, 6788295), (5, 4072977), (9, 2262765), (15, 1357659), (27, 754255), (45, 452553), (135, 150851), (251, 81135), (601, 33885), (753, 27045), (1255, 16227), (1803, 11295), (2259, 9015), (3005, 6777), (3765, 5409)]