20275740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112643}}^1$

素因数の和:112658

約数の個数: 36

約数和(自身を含む): 61503624

約数和(自身を除く): 41227884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112643, 225286, 337929, 450572, 563215, 675858, 1013787, 1126430, 1351716, 1689645, 2027574, 2252860, 3379290, 4055148, 5068935, 6758580, 10137870, 20275740]

約数ペア:

[(1, 20275740), (2, 10137870), (3, 6758580), (4, 5068935), (5, 4055148), (6, 3379290), (9, 2252860), (10, 2027574), (12, 1689645), (15, 1351716), (18, 1126430), (20, 1013787), (30, 675858), (36, 563215), (45, 450572), (60, 337929), (90, 225286), (180, 112643)]