20406988818

素因数分解:

$2^1\times 3^2\times {\mathrm{293}}^1\times {\mathrm{997}}^1\times {\mathrm{3881}}^1$

素因数の和:5179

約数の個数: 48

約数和(自身を含む): 44421989976

約数和(自身を除く): 24015001158

約数列:

[1, 2, 3, 6, 9, 18, 293, 586, 879, 997, 1758, 1994, 2637, 2991, 3881, 5274, 5982, 7762, 8973, 11643, 17946, 23286, 34929, 69858, 292121, 584242, 876363, 1137133, 1752726, 2274266, 2629089, 3411399, 3869357, 5258178, 6822798, 7738714, 10234197, 11608071, 20468394, 23216142, 34824213, 69648426, 1133721601, 2267443202, 3401164803, 6802329606, 10203494409, 20406988818]

約数ペア:

[(1, 20406988818), (2, 10203494409), (3, 6802329606), (6, 3401164803), (9, 2267443202), (18, 1133721601), (293, 69648426), (586, 34824213), (879, 23216142), (997, 20468394), (1758, 11608071), (1994, 10234197), (2637, 7738714), (2991, 6822798), (3881, 5258178), (5274, 3869357), (5982, 3411399), (7762, 2629089), (8973, 2274266), (11643, 1752726), (17946, 1137133), (23286, 876363), (34929, 584242), (69858, 292121)]