20458504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2801}}^1$

素因数の和:2901

約数の個数: 32

約数和(自身を含む): 42366240

約数和(自身を除く): 21907736

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2801, 3652, 5602, 7304, 11204, 22408, 30811, 61622, 123244, 232483, 246488, 464966, 929932, 1859864, 2557313, 5114626, 10229252, 20458504]

約数ペア:

[(1, 20458504), (2, 10229252), (4, 5114626), (8, 2557313), (11, 1859864), (22, 929932), (44, 464966), (83, 246488), (88, 232483), (166, 123244), (332, 61622), (664, 30811), (913, 22408), (1826, 11204), (2801, 7304), (3652, 5602)]