20354656792

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{343411}}^1$

素因数の和:343687

約数の個数: 32

約数和(自身を含む): 39561062400

約数和(自身を除く): 19206405608

約数列:

[1, 2, 4, 8, 31, 62, 124, 239, 248, 478, 956, 1912, 7409, 14818, 29636, 59272, 343411, 686822, 1373644, 2747288, 10645741, 21291482, 42582964, 82075229, 85165928, 164150458, 328300916, 656601832, 2544332099, 5088664198, 10177328396, 20354656792]

約数ペア:

[(1, 20354656792), (2, 10177328396), (4, 5088664198), (8, 2544332099), (31, 656601832), (62, 328300916), (124, 164150458), (239, 85165928), (248, 82075229), (478, 42582964), (956, 21291482), (1912, 10645741), (7409, 2747288), (14818, 1373644), (29636, 686822), (59272, 343411)]