20880664

素因数分解:

$2^3\times 7^2\times {\mathrm{53267}}^1$

素因数の和:53287

約数の個数: 24

約数和(自身を含む): 45544140

約数和(自身を除く): 24663476

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53267, 106534, 213068, 372869, 426136, 745738, 1491476, 2610083, 2982952, 5220166, 10440332, 20880664]

約数ペア:

[(1, 20880664), (2, 10440332), (4, 5220166), (7, 2982952), (8, 2610083), (14, 1491476), (28, 745738), (49, 426136), (56, 372869), (98, 213068), (196, 106534), (392, 53267)]