20748056

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7943

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 24663784

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7883, 15766, 31532, 55181, 63064, 110362, 220724, 370501, 441448, 741002, 1482004, 2593507, 2964008, 5187014, 10374028, 20748056]

約数ペア:

[(1, 20748056), (2, 10374028), (4, 5187014), (7, 2964008), (8, 2593507), (14, 1482004), (28, 741002), (47, 441448), (56, 370501), (94, 220724), (188, 110362), (329, 63064), (376, 55181), (658, 31532), (1316, 15766), (2632, 7883)]