20212736

素因数分解:

$2^{10}\times {\mathrm{19739}}^1$

素因数の和:19759

約数の個数: 22

約数和(自身を含む): 40407780

約数和(自身を除く): 20195044

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19739, 39478, 78956, 157912, 315824, 631648, 1263296, 2526592, 5053184, 10106368, 20212736]

約数ペア:

[(1, 20212736), (2, 10106368), (4, 5053184), (8, 2526592), (16, 1263296), (32, 631648), (64, 315824), (128, 157912), (256, 78956), (512, 39478), (1024, 19739)]