20774595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{317}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 35443008

約数和(自身を除く): 14668413

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 317, 771, 951, 1285, 1585, 3855, 4369, 4755, 5389, 13107, 16167, 21845, 26945, 65535, 80835, 81469, 244407, 407345, 1222035, 1384973, 4154919, 6924865, 20774595]

約数ペア:

[(1, 20774595), (3, 6924865), (5, 4154919), (15, 1384973), (17, 1222035), (51, 407345), (85, 244407), (255, 81469), (257, 80835), (317, 65535), (771, 26945), (951, 21845), (1285, 16167), (1585, 13107), (3855, 5389), (4369, 4755)]