20221565

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{907}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 30508800

約数和(自身を除く): 10287235

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 637, 907, 1715, 3185, 4459, 4535, 6349, 11791, 22295, 31745, 44443, 58955, 82537, 222215, 311101, 412685, 577759, 1555505, 2888795, 4044313, 20221565]

約数ペア:

[(1, 20221565), (5, 4044313), (7, 2888795), (13, 1555505), (35, 577759), (49, 412685), (65, 311101), (91, 222215), (245, 82537), (343, 58955), (455, 44443), (637, 31745), (907, 22295), (1715, 11791), (3185, 6349), (4459, 4535)]