20337968

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 47663616

約数和(自身を除く): 27325648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 43, 56, 82, 86, 103, 112, 164, 172, 206, 287, 301, 328, 344, 412, 574, 602, 656, 688, 721, 824, 1148, 1204, 1442, 1648, 1763, 2296, 2408, 2884, 3526, 4223, 4429, 4592, 4816, 5768, 7052, 8446, 8858, 11536, 12341, 14104, 16892, 17716, 24682, 28208, 29561, 31003, 33784, 35432, 49364, 59122, 62006, 67568, 70864, 98728, 118244, 124012, 181589, 197456, 236488, 248024, 363178, 472976, 496048, 726356, 1271123, 1452712, 2542246, 2905424, 5084492, 10168984, 20337968]

約数ペア:

[(1, 20337968), (2, 10168984), (4, 5084492), (7, 2905424), (8, 2542246), (14, 1452712), (16, 1271123), (28, 726356), (41, 496048), (43, 472976), (56, 363178), (82, 248024), (86, 236488), (103, 197456), (112, 181589), (164, 124012), (172, 118244), (206, 98728), (287, 70864), (301, 67568), (328, 62006), (344, 59122), (412, 49364), (574, 35432), (602, 33784), (656, 31003), (688, 29561), (721, 28208), (824, 24682), (1148, 17716), (1204, 16892), (1442, 14104), (1648, 12341), (1763, 11536), (2296, 8858), (2408, 8446), (2884, 7052), (3526, 5768), (4223, 4816), (4429, 4592)]