20916180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116201}}^1$

素因数の和:116216

約数の個数: 36

約数和(自身を含む): 63446292

約数和(自身を除く): 42530112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116201, 232402, 348603, 464804, 581005, 697206, 1045809, 1162010, 1394412, 1743015, 2091618, 2324020, 3486030, 4183236, 5229045, 6972060, 10458090, 20916180]

約数ペア:

[(1, 20916180), (2, 10458090), (3, 6972060), (4, 5229045), (5, 4183236), (6, 3486030), (9, 2324020), (10, 2091618), (12, 1743015), (15, 1394412), (18, 1162010), (20, 1045809), (30, 697206), (36, 581005), (45, 464804), (60, 348603), (90, 232402), (180, 116201)]