20397618

素因数分解:

$2^1\times 3^2\times {\mathrm{1033}}^1\times {\mathrm{1097}}^1$

素因数の和:2138

約数の個数: 24

約数和(自身を含む): 44277948

約数和(自身を除く): 23880330

約数列:

[1, 2, 3, 6, 9, 18, 1033, 1097, 2066, 2194, 3099, 3291, 6198, 6582, 9297, 9873, 18594, 19746, 1133201, 2266402, 3399603, 6799206, 10198809, 20397618]

約数ペア:

[(1, 20397618), (2, 10198809), (3, 6799206), (6, 3399603), (9, 2266402), (18, 1133201), (1033, 19746), (1097, 18594), (2066, 9873), (2194, 9297), (3099, 6582), (3291, 6198)]