20197808612

素因数分解:

$2^2\times {\mathrm{65371}}^1\times {\mathrm{77243}}^1$

素因数の和:142618

約数の個数: 12

約数和(自身を含む): 35347163376

約数和(自身を除く): 15149354764

約数列:

[1, 2, 4, 65371, 77243, 130742, 154486, 261484, 308972, 5049452153, 10098904306, 20197808612]

約数ペア:

[(1, 20197808612), (2, 10098904306), (4, 5049452153), (65371, 308972), (77243, 261484), (130742, 154486)]