20837412

素因数分解:

$2^2\times 3^4\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 60

約数和(自身を含む): 55281996

約数和(自身を除く): 34444584

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 292, 324, 438, 657, 876, 881, 1314, 1762, 1971, 2628, 2643, 3524, 3942, 5286, 5913, 7884, 7929, 10572, 11826, 15858, 23652, 23787, 31716, 47574, 64313, 71361, 95148, 128626, 142722, 192939, 257252, 285444, 385878, 578817, 771756, 1157634, 1736451, 2315268, 3472902, 5209353, 6945804, 10418706, 20837412]

約数ペア:

[(1, 20837412), (2, 10418706), (3, 6945804), (4, 5209353), (6, 3472902), (9, 2315268), (12, 1736451), (18, 1157634), (27, 771756), (36, 578817), (54, 385878), (73, 285444), (81, 257252), (108, 192939), (146, 142722), (162, 128626), (219, 95148), (292, 71361), (324, 64313), (438, 47574), (657, 31716), (876, 23787), (881, 23652), (1314, 15858), (1762, 11826), (1971, 10572), (2628, 7929), (2643, 7884), (3524, 5913), (3942, 5286)]