20485535

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2113}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 28209216

約数和(自身を除く): 7723681

約数列:

[1, 5, 7, 35, 277, 1385, 1939, 2113, 9695, 10565, 14791, 73955, 585301, 2926505, 4097107, 20485535]

約数ペア:

[(1, 20485535), (5, 4097107), (7, 2926505), (35, 585301), (277, 73955), (1385, 14791), (1939, 10565), (2113, 9695)]