20546978118

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{323707}}^1$

素因数の和:323932

約数の個数: 32

約数和(自身を含む): 41952556800

約数和(自身を除く): 21405578682

約数列:

[1, 2, 3, 6, 71, 142, 149, 213, 298, 426, 447, 894, 10579, 21158, 31737, 63474, 323707, 647414, 971121, 1942242, 22983197, 45966394, 48232343, 68949591, 96464686, 137899182, 144697029, 289394058, 3424496353, 6848992706, 10273489059, 20546978118]

約数ペア:

[(1, 20546978118), (2, 10273489059), (3, 6848992706), (6, 3424496353), (71, 289394058), (142, 144697029), (149, 137899182), (213, 96464686), (298, 68949591), (426, 48232343), (447, 45966394), (894, 22983197), (10579, 1942242), (21158, 971121), (31737, 647414), (63474, 323707)]