20860580853

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181039}}^1$

素因数の和:181142

約数の個数: 48

約数和(自身を含む): 36150067200

約数和(自身を除く): 15289486347

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 93, 177, 217, 279, 413, 531, 651, 1239, 1829, 1953, 3717, 5487, 12803, 16461, 38409, 115227, 181039, 543117, 1267273, 1629351, 3801819, 5612209, 10681301, 11405457, 16836627, 32043903, 39285463, 50509881, 74769107, 96131709, 117856389, 224307321, 331120331, 353569167, 672921963, 993360993, 2317842317, 2980082979, 6953526951, 20860580853]

約数ペア:

[(1, 20860580853), (3, 6953526951), (7, 2980082979), (9, 2317842317), (21, 993360993), (31, 672921963), (59, 353569167), (63, 331120331), (93, 224307321), (177, 117856389), (217, 96131709), (279, 74769107), (413, 50509881), (531, 39285463), (651, 32043903), (1239, 16836627), (1829, 11405457), (1953, 10681301), (3717, 5612209), (5487, 3801819), (12803, 1629351), (16461, 1267273), (38409, 543117), (115227, 181039)]