20977726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 18524354

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 179, 358, 761, 1253, 1522, 1969, 2506, 3938, 5327, 8371, 10654, 13783, 16742, 27566, 58597, 117194, 136219, 272438, 953533, 1498409, 1907066, 2996818, 10488863, 20977726]

約数ペア:

[(1, 20977726), (2, 10488863), (7, 2996818), (11, 1907066), (14, 1498409), (22, 953533), (77, 272438), (154, 136219), (179, 117194), (358, 58597), (761, 27566), (1253, 16742), (1522, 13783), (1969, 10654), (2506, 8371), (3938, 5327)]