20503432

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 32

約数和(自身を含む): 41421600

約数和(自身を除く): 20918168

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3137, 3268, 6274, 6536, 12548, 25096, 59603, 119206, 134891, 238412, 269782, 476824, 539564, 1079128, 2562929, 5125858, 10251716, 20503432]

約数ペア:

[(1, 20503432), (2, 10251716), (4, 5125858), (8, 2562929), (19, 1079128), (38, 539564), (43, 476824), (76, 269782), (86, 238412), (152, 134891), (172, 119206), (344, 59603), (817, 25096), (1634, 12548), (3137, 6536), (3268, 6274)]