20459758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 24

約数和(自身を含む): 34288344

約数和(自身を除く): 13828586

約数列:

[1, 2, 11, 22, 47, 94, 421, 517, 842, 1034, 2209, 4418, 4631, 9262, 19787, 24299, 39574, 48598, 217657, 435314, 929989, 1859978, 10229879, 20459758]

約数ペア:

[(1, 20459758), (2, 10229879), (11, 1859978), (22, 929989), (47, 435314), (94, 217657), (421, 48598), (517, 39574), (842, 24299), (1034, 19787), (2209, 9262), (4418, 4631)]