20005648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{96181}}^1$

素因数の和:96202

約数の個数: 20

約数和(自身を含む): 41742988

約数和(自身を除く): 21737340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 96181, 192362, 384724, 769448, 1250353, 1538896, 2500706, 5001412, 10002824, 20005648]

約数ペア:

[(1, 20005648), (2, 10002824), (4, 5001412), (8, 2500706), (13, 1538896), (16, 1250353), (26, 769448), (52, 384724), (104, 192362), (208, 96181)]