20481538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{743}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 18087422

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 179, 358, 743, 1253, 1486, 1969, 2506, 3938, 5201, 8173, 10402, 13783, 16346, 27566, 57211, 114422, 132997, 265994, 930979, 1462967, 1861958, 2925934, 10240769, 20481538]

約数ペア:

[(1, 20481538), (2, 10240769), (7, 2925934), (11, 1861958), (14, 1462967), (22, 930979), (77, 265994), (154, 132997), (179, 114422), (358, 57211), (743, 27566), (1253, 16346), (1486, 13783), (1969, 10402), (2506, 8173), (3938, 5201)]