20333698

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 39633984

約数和(自身を除く): 19300286

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 157, 203, 314, 319, 406, 638, 841, 1099, 1682, 1727, 2198, 2233, 3454, 4466, 4553, 5887, 9106, 9251, 11774, 12089, 18502, 24178, 31871, 50083, 63742, 64757, 100166, 129514, 132037, 264074, 350581, 701162, 924259, 1452407, 1848518, 2904814, 10166849, 20333698]

約数ペア:

[(1, 20333698), (2, 10166849), (7, 2904814), (11, 1848518), (14, 1452407), (22, 924259), (29, 701162), (58, 350581), (77, 264074), (154, 132037), (157, 129514), (203, 100166), (314, 64757), (319, 63742), (406, 50083), (638, 31871), (841, 24178), (1099, 18502), (1682, 12089), (1727, 11774), (2198, 9251), (2233, 9106), (3454, 5887), (4466, 4553)]