20641776

素因数分解:

$2^4\times 3^1\times {\mathrm{457}}^1\times {\mathrm{941}}^1$

素因数の和:1409

約数の個数: 40

約数和(自身を含む): 53498064

約数和(自身を除く): 32856288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 457, 914, 941, 1371, 1828, 1882, 2742, 2823, 3656, 3764, 5484, 5646, 7312, 7528, 10968, 11292, 15056, 21936, 22584, 45168, 430037, 860074, 1290111, 1720148, 2580222, 3440296, 5160444, 6880592, 10320888, 20641776]

約数ペア:

[(1, 20641776), (2, 10320888), (3, 6880592), (4, 5160444), (6, 3440296), (8, 2580222), (12, 1720148), (16, 1290111), (24, 860074), (48, 430037), (457, 45168), (914, 22584), (941, 21936), (1371, 15056), (1828, 11292), (1882, 10968), (2742, 7528), (2823, 7312), (3656, 5646), (3764, 5484)]