20677965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17903}}^1$

素因数の和:17929

約数の個数: 32

約数和(自身を含む): 41250816

約数和(自身を除く): 20572851

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17903, 53709, 89515, 125321, 196933, 268545, 375963, 590799, 626605, 984665, 1378531, 1879815, 2953995, 4135593, 6892655, 20677965]

約数ペア:

[(1, 20677965), (3, 6892655), (5, 4135593), (7, 2953995), (11, 1879815), (15, 1378531), (21, 984665), (33, 626605), (35, 590799), (55, 375963), (77, 268545), (105, 196933), (165, 125321), (231, 89515), (385, 53709), (1155, 17903)]