29139820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20521}}^1$

素因数の和:20601

約数の個数: 24

約数和(自身を含む): 62058528

約数和(自身を除く): 32918708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 20521, 41042, 82084, 102605, 205210, 410420, 1456991, 2913982, 5827964, 7284955, 14569910, 29139820]

約数ペア:

[(1, 29139820), (2, 14569910), (4, 7284955), (5, 5827964), (10, 2913982), (20, 1456991), (71, 410420), (142, 205210), (284, 102605), (355, 82084), (710, 41042), (1420, 20521)]