20818622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 14726338

約数列:

[1, 2, 11, 22, 43, 59, 86, 118, 373, 473, 649, 746, 946, 1298, 2537, 4103, 5074, 8206, 16039, 22007, 27907, 32078, 44014, 55814, 176429, 242077, 352858, 484154, 946301, 1892602, 10409311, 20818622]

約数ペア:

[(1, 20818622), (2, 10409311), (11, 1892602), (22, 946301), (43, 484154), (59, 352858), (86, 242077), (118, 176429), (373, 55814), (473, 44014), (649, 32078), (746, 27907), (946, 22007), (1298, 16039), (2537, 8206), (4103, 5074)]