20018496

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2599

約数の個数: 56

約数和(自身を含む): 54278784

約数和(自身を除く): 34260288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 64, 82, 96, 123, 164, 192, 246, 328, 492, 656, 984, 1312, 1968, 2543, 2624, 3936, 5086, 7629, 7872, 10172, 15258, 20344, 30516, 40688, 61032, 81376, 104263, 122064, 162752, 208526, 244128, 312789, 417052, 488256, 625578, 834104, 1251156, 1668208, 2502312, 3336416, 5004624, 6672832, 10009248, 20018496]

約数ペア:

[(1, 20018496), (2, 10009248), (3, 6672832), (4, 5004624), (6, 3336416), (8, 2502312), (12, 1668208), (16, 1251156), (24, 834104), (32, 625578), (41, 488256), (48, 417052), (64, 312789), (82, 244128), (96, 208526), (123, 162752), (164, 122064), (192, 104263), (246, 81376), (328, 61032), (492, 40688), (656, 30516), (984, 20344), (1312, 15258), (1968, 10172), (2543, 7872), (2624, 7629), (3936, 5086)]