20355968

素因数分解:

$2^7\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 40953000

約数和(自身を除く): 20597032

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 436, 872, 1459, 1744, 2918, 3488, 5836, 6976, 11672, 13952, 23344, 46688, 93376, 159031, 186752, 318062, 636124, 1272248, 2544496, 5088992, 10177984, 20355968]

約数ペア:

[(1, 20355968), (2, 10177984), (4, 5088992), (8, 2544496), (16, 1272248), (32, 636124), (64, 318062), (109, 186752), (128, 159031), (218, 93376), (436, 46688), (872, 23344), (1459, 13952), (1744, 11672), (2918, 6976), (3488, 5836)]