20443662

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 48

約数和(自身を含む): 46174128

約数和(自身を除く): 25730466

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 366, 387, 433, 549, 774, 866, 1098, 1299, 2598, 2623, 3897, 5246, 7794, 7869, 15738, 18619, 23607, 26413, 37238, 47214, 52826, 55857, 79239, 111714, 158478, 167571, 237717, 335142, 475434, 1135759, 2271518, 3407277, 6814554, 10221831, 20443662]

約数ペア:

[(1, 20443662), (2, 10221831), (3, 6814554), (6, 3407277), (9, 2271518), (18, 1135759), (43, 475434), (61, 335142), (86, 237717), (122, 167571), (129, 158478), (183, 111714), (258, 79239), (366, 55857), (387, 52826), (433, 47214), (549, 37238), (774, 26413), (866, 23607), (1098, 18619), (1299, 15738), (2598, 7869), (2623, 7794), (3897, 5246)]