20212740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4159}}^1$

素因数の和:4183

約数の個数: 72

約数和(自身を含む): 63598080

約数和(自身を除く): 43385340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4159, 4860, 8318, 12477, 16636, 20795, 24954, 37431, 41590, 49908, 62385, 74862, 83180, 112293, 124770, 149724, 187155, 224586, 249540, 336879, 374310, 449172, 561465, 673758, 748620, 1010637, 1122930, 1347516, 1684395, 2021274, 2245860, 3368790, 4042548, 5053185, 6737580, 10106370, 20212740]

約数ペア:

[(1, 20212740), (2, 10106370), (3, 6737580), (4, 5053185), (5, 4042548), (6, 3368790), (9, 2245860), (10, 2021274), (12, 1684395), (15, 1347516), (18, 1122930), (20, 1010637), (27, 748620), (30, 673758), (36, 561465), (45, 449172), (54, 374310), (60, 336879), (81, 249540), (90, 224586), (108, 187155), (135, 149724), (162, 124770), (180, 112293), (243, 83180), (270, 74862), (324, 62385), (405, 49908), (486, 41590), (540, 37431), (810, 24954), (972, 20795), (1215, 16636), (1620, 12477), (2430, 8318), (4159, 4860)]