20405926905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14949397}}^1$

素因数の和:14949425

約数の個数: 32

約数和(自身を含む): 40183981824

約数和(自身を除く): 19778054919

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 14949397, 44848191, 74746985, 104645779, 194342161, 224240955, 313937337, 523228895, 583026483, 971710805, 1360395127, 1569686685, 2915132415, 4081185381, 6801975635, 20405926905]

約数ペア:

[(1, 20405926905), (3, 6801975635), (5, 4081185381), (7, 2915132415), (13, 1569686685), (15, 1360395127), (21, 971710805), (35, 583026483), (39, 523228895), (65, 313937337), (91, 224240955), (105, 194342161), (195, 104645779), (273, 74746985), (455, 44848191), (1365, 14949397)]