20820296

素因数分解:

$2^3\times 7^2\times {\mathrm{53113}}^1$

素因数の和:53133

約数の個数: 24

約数和(自身を含む): 45412470

約数和(自身を除く): 24592174

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53113, 106226, 212452, 371791, 424904, 743582, 1487164, 2602537, 2974328, 5205074, 10410148, 20820296]

約数ペア:

[(1, 20820296), (2, 10410148), (4, 5205074), (7, 2974328), (8, 2602537), (14, 1487164), (28, 743582), (49, 424904), (56, 371791), (98, 212452), (196, 106226), (392, 53113)]