20766512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99839}}^1$

素因数の和:99860

約数の個数: 20

約数和(自身を含む): 43330560

約数和(自身を除く): 22564048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99839, 199678, 399356, 798712, 1297907, 1597424, 2595814, 5191628, 10383256, 20766512]

約数ペア:

[(1, 20766512), (2, 10383256), (4, 5191628), (8, 2595814), (13, 1597424), (16, 1297907), (26, 798712), (52, 399356), (104, 199678), (208, 99839)]