20219456

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3257}}^1$

素因数の和:3366

約数の個数: 28

約数和(自身を含む): 40549068

約数和(自身を除く): 20329612

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3257, 6208, 6514, 13028, 26056, 52112, 104224, 208448, 315929, 631858, 1263716, 2527432, 5054864, 10109728, 20219456]

約数ペア:

[(1, 20219456), (2, 10109728), (4, 5054864), (8, 2527432), (16, 1263716), (32, 631858), (64, 315929), (97, 208448), (194, 104224), (388, 52112), (776, 26056), (1552, 13028), (3104, 6514), (3257, 6208)]