20137575388

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{351343}}^1$

素因数の和:351466

約数の個数: 48

約数和(自身を含む): 42498570240

約数和(自身を除く): 22360994852

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 623, 644, 1246, 2047, 2492, 4094, 8188, 14329, 28658, 57316, 351343, 702686, 1405372, 2459401, 4918802, 8080889, 9837604, 16161778, 31269527, 32323556, 56566223, 62539054, 113132446, 125078108, 218886689, 226264892, 437773378, 719199121, 875546756, 1438398242, 2876796484, 5034393847, 10068787694, 20137575388]

約数ペア:

[(1, 20137575388), (2, 10068787694), (4, 5034393847), (7, 2876796484), (14, 1438398242), (23, 875546756), (28, 719199121), (46, 437773378), (89, 226264892), (92, 218886689), (161, 125078108), (178, 113132446), (322, 62539054), (356, 56566223), (623, 32323556), (644, 31269527), (1246, 16161778), (2047, 9837604), (2492, 8080889), (4094, 4918802), (8188, 2459401), (14329, 1405372), (28658, 702686), (57316, 351343)]