20808637498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{2339}}^1\times {\mathrm{404381}}^1$

素因数の和:406733

約数の個数: 16

約数和(自身を含む): 34065139680

約数和(自身を除く): 13256502182

約数列:

[1, 2, 11, 22, 2339, 4678, 25729, 51458, 404381, 808762, 4448191, 8896382, 945847159, 1891694318, 10404318749, 20808637498]

約数ペア:

[(1, 20808637498), (2, 10404318749), (11, 1891694318), (22, 945847159), (2339, 8896382), (4678, 4448191), (25729, 808762), (51458, 404381)]