20347264

素因数分解:

$2^7\times 7^1\times {\mathrm{22709}}^1$

素因数の和:22730

約数の個数: 32

約数和(自身を含む): 46328400

約数和(自身を除く): 25981136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22709, 45418, 90836, 158963, 181672, 317926, 363344, 635852, 726688, 1271704, 1453376, 2543408, 2906752, 5086816, 10173632, 20347264]

約数ペア:

[(1, 20347264), (2, 10173632), (4, 5086816), (7, 2906752), (8, 2543408), (14, 1453376), (16, 1271704), (28, 726688), (32, 635852), (56, 363344), (64, 317926), (112, 181672), (128, 158963), (224, 90836), (448, 45418), (896, 22709)]