20117381765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1\times {\mathrm{6679}}^1$

素因数の和:7157

約数の個数: 32

約数和(自身を含む): 26260416000

約数和(自身を除く): 6143034235

約数列:

[1, 5, 13, 65, 149, 311, 745, 1555, 1937, 4043, 6679, 9685, 20215, 33395, 46339, 86827, 231695, 434135, 602407, 995171, 2077169, 3012035, 4975855, 10385845, 12937223, 27003197, 64686115, 135015985, 309498181, 1547490905, 4023476353, 20117381765]

約数ペア:

[(1, 20117381765), (5, 4023476353), (13, 1547490905), (65, 309498181), (149, 135015985), (311, 64686115), (745, 27003197), (1555, 12937223), (1937, 10385845), (4043, 4975855), (6679, 3012035), (9685, 2077169), (20215, 995171), (33395, 602407), (46339, 434135), (86827, 231695)]