20268180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112601}}^1$

素因数の和:112616

約数の個数: 36

約数和(自身を含む): 61480692

約数和(自身を除く): 41212512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112601, 225202, 337803, 450404, 563005, 675606, 1013409, 1126010, 1351212, 1689015, 2026818, 2252020, 3378030, 4053636, 5067045, 6756060, 10134090, 20268180]

約数ペア:

[(1, 20268180), (2, 10134090), (3, 6756060), (4, 5067045), (5, 4053636), (6, 3378030), (9, 2252020), (10, 2026818), (12, 1689015), (15, 1351212), (18, 1126010), (20, 1013409), (30, 675606), (36, 563005), (45, 450404), (60, 337803), (90, 225202), (180, 112601)]