20559368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3299}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 21020632

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 3299, 6232, 6598, 13196, 26392, 62681, 125362, 135259, 250724, 270518, 501448, 541036, 1082072, 2569921, 5139842, 10279684, 20559368]

約数ペア:

[(1, 20559368), (2, 10279684), (4, 5139842), (8, 2569921), (19, 1082072), (38, 541036), (41, 501448), (76, 270518), (82, 250724), (152, 135259), (164, 125362), (328, 62681), (779, 26392), (1558, 13196), (3116, 6598), (3299, 6232)]