20118945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17419}}^1$

素因数の和:17445

約数の個数: 32

約数和(自身を含む): 40135680

約数和(自身を除く): 20016735

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17419, 52257, 87095, 121933, 191609, 261285, 365799, 574827, 609665, 958045, 1341263, 1828995, 2874135, 4023789, 6706315, 20118945]

約数ペア:

[(1, 20118945), (3, 6706315), (5, 4023789), (7, 2874135), (11, 1828995), (15, 1341263), (21, 958045), (33, 609665), (35, 574827), (55, 365799), (77, 261285), (105, 191609), (165, 121933), (231, 87095), (385, 52257), (1155, 17419)]