20781500542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{134887}}^1$

素因数の和:135096

約数の個数: 32

約数和(自身を含む): 34962969600

約数和(自身を除く): 14181469058

約数列:

[1, 2, 11, 22, 47, 94, 149, 298, 517, 1034, 1639, 3278, 7003, 14006, 77033, 134887, 154066, 269774, 1483757, 2967514, 6339689, 12679378, 20098163, 40196326, 69736579, 139473158, 221079793, 442159586, 944613661, 1889227322, 10390750271, 20781500542]

約数ペア:

[(1, 20781500542), (2, 10390750271), (11, 1889227322), (22, 944613661), (47, 442159586), (94, 221079793), (149, 139473158), (298, 69736579), (517, 40196326), (1034, 20098163), (1639, 12679378), (3278, 6339689), (7003, 2967514), (14006, 1483757), (77033, 269774), (134887, 154066)]