20443656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 54820800

約数和(自身を除く): 34377144

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 89, 102, 136, 178, 204, 267, 356, 408, 534, 563, 712, 1068, 1126, 1513, 1689, 2136, 2252, 3026, 3378, 4504, 4539, 6052, 6756, 9078, 9571, 12104, 13512, 18156, 19142, 28713, 36312, 38284, 50107, 57426, 76568, 100214, 114852, 150321, 200428, 229704, 300642, 400856, 601284, 851819, 1202568, 1703638, 2555457, 3407276, 5110914, 6814552, 10221828, 20443656]

約数ペア:

[(1, 20443656), (2, 10221828), (3, 6814552), (4, 5110914), (6, 3407276), (8, 2555457), (12, 1703638), (17, 1202568), (24, 851819), (34, 601284), (51, 400856), (68, 300642), (89, 229704), (102, 200428), (136, 150321), (178, 114852), (204, 100214), (267, 76568), (356, 57426), (408, 50107), (534, 38284), (563, 36312), (712, 28713), (1068, 19142), (1126, 18156), (1513, 13512), (1689, 12104), (2136, 9571), (2252, 9078), (3026, 6756), (3378, 6052), (4504, 4539)]