20897324

素因数分解:

$2^2\times 7^2\times {\mathrm{106619}}^1$

素因数の和:106637

約数の個数: 18

約数和(自身を含む): 42541380

約数和(自身を除く): 21644056

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 106619, 213238, 426476, 746333, 1492666, 2985332, 5224331, 10448662, 20897324]

約数ペア:

[(1, 20897324), (2, 10448662), (4, 5224331), (7, 2985332), (14, 1492666), (28, 746333), (49, 426476), (98, 213238), (196, 106619)]