20752260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2203}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 58502976

約数和(自身を除く): 37750716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2203, 2355, 3140, 4406, 4710, 6609, 8812, 9420, 11015, 13218, 22030, 26436, 33045, 44060, 66090, 132180, 345871, 691742, 1037613, 1383484, 1729355, 2075226, 3458710, 4150452, 5188065, 6917420, 10376130, 20752260]

約数ペア:

[(1, 20752260), (2, 10376130), (3, 6917420), (4, 5188065), (5, 4150452), (6, 3458710), (10, 2075226), (12, 1729355), (15, 1383484), (20, 1037613), (30, 691742), (60, 345871), (157, 132180), (314, 66090), (471, 44060), (628, 33045), (785, 26436), (942, 22030), (1570, 13218), (1884, 11015), (2203, 9420), (2355, 8812), (3140, 6609), (4406, 4710)]