20859894

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:925

約数の個数: 48

約数和(自身を含む): 49729680

約数和(自身を除く): 28869786

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 137, 198, 274, 411, 769, 822, 1233, 1507, 1538, 2307, 2466, 3014, 4521, 4614, 6921, 8459, 9042, 13563, 13842, 16918, 25377, 27126, 50754, 76131, 105353, 152262, 210706, 316059, 632118, 948177, 1158883, 1896354, 2317766, 3476649, 6953298, 10429947, 20859894]

約数ペア:

[(1, 20859894), (2, 10429947), (3, 6953298), (6, 3476649), (9, 2317766), (11, 1896354), (18, 1158883), (22, 948177), (33, 632118), (66, 316059), (99, 210706), (137, 152262), (198, 105353), (274, 76131), (411, 50754), (769, 27126), (822, 25377), (1233, 16918), (1507, 13842), (1538, 13563), (2307, 9042), (2466, 8459), (3014, 6921), (4521, 4614)]