20504896685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{58603}}^1$

素因数の和:59397

約数の個数: 32

約数和(自身を含む): 30324053760

約数和(自身を除く): 9819157075

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 769, 3845, 5383, 9997, 26915, 49985, 58603, 69979, 293015, 349895, 410221, 761839, 2051105, 3809195, 5332873, 26664365, 45065707, 225328535, 315459949, 585854191, 1577299745, 2929270955, 4100979337, 20504896685]

約数ペア:

[(1, 20504896685), (5, 4100979337), (7, 2929270955), (13, 1577299745), (35, 585854191), (65, 315459949), (91, 225328535), (455, 45065707), (769, 26664365), (3845, 5332873), (5383, 3809195), (9997, 2051105), (26915, 761839), (49985, 410221), (58603, 349895), (69979, 293015)]