20894644

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 37378880

約数和(自身を除く): 16484236

約数列:

[1, 2, 4, 73, 146, 163, 292, 326, 439, 652, 878, 1756, 11899, 23798, 32047, 47596, 64094, 71557, 128188, 143114, 286228, 5223661, 10447322, 20894644]

約数ペア:

[(1, 20894644), (2, 10447322), (4, 5223661), (73, 286228), (146, 143114), (163, 128188), (292, 71557), (326, 64094), (439, 47596), (652, 32047), (878, 23798), (1756, 11899)]