20986912

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7369}}^1$

素因数の和:7468

約数の個数: 24

約数和(自身を含む): 41787900

約数和(自身を除く): 20800988

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7369, 14738, 29476, 58952, 117904, 235808, 655841, 1311682, 2623364, 5246728, 10493456, 20986912]

約数ペア:

[(1, 20986912), (2, 10493456), (4, 5246728), (8, 2623364), (16, 1311682), (32, 655841), (89, 235808), (178, 117904), (356, 58952), (712, 29476), (1424, 14738), (2848, 7369)]