20831055.000000000

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{557377}}^1$

素因数の和:557397

約数の個数: 32

約数和(自身を含む): 401312160

約数和(自身を除く): 254164632

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 557377, 1114754, 1672131, 2229508, 3344262, 4459016, 6131147, 6688524, 12262294, 13377048, 18393441, 24524588, 36786882, 49049176, 73573764, 147147528]

約数ペア:

[(1, 147147528), (2, 73573764), (3, 49049176), (4, 36786882), (6, 24524588), (8, 18393441), (11, 13377048), (12, 12262294), (22, 6688524), (24, 6131147), (33, 4459016), (44, 3344262), (66, 2229508), (88, 1672131), (132, 1114754), (264, 557377)]