20976808

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36931}}^1$

素因数の和:37008

約数の個数: 16

約数和(自身を含む): 39886560

約数和(自身を除く): 18909752

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36931, 73862, 147724, 295448, 2622101, 5244202, 10488404, 20976808]

約数ペア:

[(1, 20976808), (2, 10488404), (4, 5244202), (8, 2622101), (71, 295448), (142, 147724), (284, 73862), (568, 36931)]