20147295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11287}}^1$

素因数の和:11319

約数の個数: 32

約数和(自身を含む): 39011328

約数和(自身を除く): 18864033

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11287, 33861, 56435, 79009, 169305, 191879, 237027, 395045, 575637, 959395, 1185135, 1343153, 2878185, 4029459, 6715765, 20147295]

約数ペア:

[(1, 20147295), (3, 6715765), (5, 4029459), (7, 2878185), (15, 1343153), (17, 1185135), (21, 959395), (35, 575637), (51, 395045), (85, 237027), (105, 191879), (119, 169305), (255, 79009), (357, 56435), (595, 33861), (1785, 11287)]