20767024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 41961600

約数和(自身を除く): 21194576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 149, 248, 281, 298, 496, 562, 596, 1124, 1192, 2248, 2384, 4496, 4619, 8711, 9238, 17422, 18476, 34844, 36952, 41869, 69688, 73904, 83738, 139376, 167476, 334952, 669904, 1297939, 2595878, 5191756, 10383512, 20767024]

約数ペア:

[(1, 20767024), (2, 10383512), (4, 5191756), (8, 2595878), (16, 1297939), (31, 669904), (62, 334952), (124, 167476), (149, 139376), (248, 83738), (281, 73904), (298, 69688), (496, 41869), (562, 36952), (596, 34844), (1124, 18476), (1192, 17422), (2248, 9238), (2384, 8711), (4496, 4619)]