20413620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12601}}^1$

素因数の和:12622

約数の個数: 60

約数和(自身を含む): 64043364

約数和(自身を除く): 43629744

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, 270, 324, 405, 540, 810, 1620, 12601, 25202, 37803, 50404, 63005, 75606, 113409, 126010, 151212, 189015, 226818, 252020, 340227, 378030, 453636, 567045, 680454, 756060, 1020681, 1134090, 1360908, 1701135, 2041362, 2268180, 3402270, 4082724, 5103405, 6804540, 10206810, 20413620]

約数ペア:

[(1, 20413620), (2, 10206810), (3, 6804540), (4, 5103405), (5, 4082724), (6, 3402270), (9, 2268180), (10, 2041362), (12, 1701135), (15, 1360908), (18, 1134090), (20, 1020681), (27, 756060), (30, 680454), (36, 567045), (45, 453636), (54, 378030), (60, 340227), (81, 252020), (90, 226818), (108, 189015), (135, 151212), (162, 126010), (180, 113409), (270, 75606), (324, 63005), (405, 50404), (540, 37803), (810, 25202), (1620, 12601)]