20518792

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2797}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 44320320

約数和(自身を除く): 23801528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2797, 3668, 5594, 7336, 11188, 19579, 22376, 39158, 78316, 156632, 366407, 732814, 1465628, 2564849, 2931256, 5129698, 10259396, 20518792]

約数ペア:

[(1, 20518792), (2, 10259396), (4, 5129698), (7, 2931256), (8, 2564849), (14, 1465628), (28, 732814), (56, 366407), (131, 156632), (262, 78316), (524, 39158), (917, 22376), (1048, 19579), (1834, 11188), (2797, 7336), (3668, 5594)]