20458137

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4799}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 32832000

約数和(自身を除く): 12373863

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4799, 14397, 33593, 100779, 139171, 235151, 417513, 705453, 974197, 2922591, 6819379, 20458137]

約数ペア:

[(1, 20458137), (3, 6819379), (7, 2922591), (21, 974197), (29, 705453), (49, 417513), (87, 235151), (147, 139171), (203, 100779), (609, 33593), (1421, 14397), (4263, 4799)]