20407982

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16363858

約数列:

[1, 2, 7, 14, 31, 59, 62, 118, 217, 413, 434, 797, 826, 1594, 1829, 3658, 5579, 11158, 12803, 24707, 25606, 47023, 49414, 94046, 172949, 329161, 345898, 658322, 1457713, 2915426, 10203991, 20407982]

約数ペア:

[(1, 20407982), (2, 10203991), (7, 2915426), (14, 1457713), (31, 658322), (59, 345898), (62, 329161), (118, 172949), (217, 94046), (413, 49414), (434, 47023), (797, 25606), (826, 24707), (1594, 12803), (1829, 11158), (3658, 5579)]