20807752

素因数分解:

$2^3\times 7^3\times {\mathrm{7583}}^1$

素因数の和:7610

約数の個数: 32

約数和(自身を含む): 45504000

約数和(自身を除く): 24696248

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7583, 15166, 30332, 53081, 60664, 106162, 212324, 371567, 424648, 743134, 1486268, 2600969, 2972536, 5201938, 10403876, 20807752]

約数ペア:

[(1, 20807752), (2, 10403876), (4, 5201938), (7, 2972536), (8, 2600969), (14, 1486268), (28, 743134), (49, 424648), (56, 371567), (98, 212324), (196, 106162), (343, 60664), (392, 53081), (686, 30332), (1372, 15166), (2744, 7583)]