20270217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10833783

約数列:

[1, 3, 11, 29, 33, 59, 87, 177, 319, 359, 649, 957, 1077, 1711, 1947, 3949, 5133, 10411, 11847, 18821, 21181, 31233, 56463, 63543, 114521, 232991, 343563, 614249, 698973, 1842747, 6756739, 20270217]

約数ペア:

[(1, 20270217), (3, 6756739), (11, 1842747), (29, 698973), (33, 614249), (59, 343563), (87, 232991), (177, 114521), (319, 63543), (359, 56463), (649, 31233), (957, 21181), (1077, 18821), (1711, 11847), (1947, 10411), (3949, 5133)]