20456656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2539

約数の個数: 40

約数和(自身を含む): 44175744

約数和(自身を除く): 23719088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2473, 4136, 4946, 8272, 9892, 19784, 27203, 39568, 54406, 108812, 116231, 217624, 232462, 435248, 464924, 929848, 1278541, 1859696, 2557082, 5114164, 10228328, 20456656]

約数ペア:

[(1, 20456656), (2, 10228328), (4, 5114164), (8, 2557082), (11, 1859696), (16, 1278541), (22, 929848), (44, 464924), (47, 435248), (88, 232462), (94, 217624), (176, 116231), (188, 108812), (376, 54406), (517, 39568), (752, 27203), (1034, 19784), (2068, 9892), (2473, 8272), (4136, 4946)]