20657224

素因数分解:

$2^3\times 7^2\times {\mathrm{52697}}^1$

素因数の和:52717

約数の個数: 24

約数和(自身を含む): 45056790

約数和(自身を除く): 24399566

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52697, 105394, 210788, 368879, 421576, 737758, 1475516, 2582153, 2951032, 5164306, 10328612, 20657224]

約数ペア:

[(1, 20657224), (2, 10328612), (4, 5164306), (7, 2951032), (8, 2582153), (14, 1475516), (28, 737758), (49, 421576), (56, 368879), (98, 210788), (196, 105394), (392, 52697)]