20736280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{14011}}^1$

素因数の和:14059

約数の個数: 32

約数和(自身を含む): 47921040

約数和(自身を除く): 27184760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 14011, 28022, 56044, 70055, 112088, 140110, 280220, 518407, 560440, 1036814, 2073628, 2592035, 4147256, 5184070, 10368140, 20736280]

約数ペア:

[(1, 20736280), (2, 10368140), (4, 5184070), (5, 4147256), (8, 2592035), (10, 2073628), (20, 1036814), (37, 560440), (40, 518407), (74, 280220), (148, 140110), (185, 112088), (296, 70055), (370, 56044), (740, 28022), (1480, 14011)]