20372380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145517}}^1$

素因数の和:145533

約数の個数: 24

約数和(自身を含む): 48894048

約数和(自身を除く): 28521668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145517, 291034, 582068, 727585, 1018619, 1455170, 2037238, 2910340, 4074476, 5093095, 10186190, 20372380]

約数ペア:

[(1, 20372380), (2, 10186190), (4, 5093095), (5, 4074476), (7, 2910340), (10, 2037238), (14, 1455170), (20, 1018619), (28, 727585), (35, 582068), (70, 291034), (140, 145517)]