20344515565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{38201}}^1$

素因数の和:38661

約数の個数: 32

約数和(自身を含む): 27857509632

約数和(自身を除く): 7512994067

約数列:

[1, 5, 11, 23, 55, 115, 253, 421, 1265, 2105, 4631, 9683, 23155, 38201, 48415, 106513, 191005, 420211, 532565, 878623, 2101055, 4393115, 9664853, 16082621, 48324265, 80413105, 176908831, 369900283, 884544155, 1849501415, 4068903113, 20344515565]

約数ペア:

[(1, 20344515565), (5, 4068903113), (11, 1849501415), (23, 884544155), (55, 369900283), (115, 176908831), (253, 80413105), (421, 48324265), (1265, 16082621), (2105, 9664853), (4631, 4393115), (9683, 2101055), (23155, 878623), (38201, 532565), (48415, 420211), (106513, 191005)]