20012030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 37592640

約数和(自身を除く): 17580610

約数列:

[1, 2, 5, 10, 29, 58, 145, 151, 290, 302, 457, 755, 914, 1510, 2285, 4379, 4570, 8758, 13253, 21895, 26506, 43790, 66265, 69007, 132530, 138014, 345035, 690070, 2001203, 4002406, 10006015, 20012030]

約数ペア:

[(1, 20012030), (2, 10006015), (5, 4002406), (10, 2001203), (29, 690070), (58, 345035), (145, 138014), (151, 132530), (290, 69007), (302, 66265), (457, 43790), (755, 26506), (914, 21895), (1510, 13253), (2285, 8758), (4379, 4570)]