20372440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46301}}^1$

素因数の和:46323

約数の個数: 32

約数和(自身を含む): 50006160

約数和(自身を除く): 29633720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46301, 92602, 185204, 231505, 370408, 463010, 509311, 926020, 1018622, 1852040, 2037244, 2546555, 4074488, 5093110, 10186220, 20372440]

約数ペア:

[(1, 20372440), (2, 10186220), (4, 5093110), (5, 4074488), (8, 2546555), (10, 2037244), (11, 1852040), (20, 1018622), (22, 926020), (40, 509311), (44, 463010), (55, 370408), (88, 231505), (110, 185204), (220, 92602), (440, 46301)]