20899816

素因数分解:

$2^3\times 7^1\times {\mathrm{373211}}^1$

素因数の和:373224

約数の個数: 16

約数和(自身を含む): 44785440

約数和(自身を除く): 23885624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373211, 746422, 1492844, 2612477, 2985688, 5224954, 10449908, 20899816]

約数ペア:

[(1, 20899816), (2, 10449908), (4, 5224954), (7, 2985688), (8, 2612477), (14, 1492844), (28, 746422), (56, 373211)]