20424943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 7591697

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 607, 1463, 1771, 3059, 4249, 4807, 6677, 11533, 13961, 33649, 46739, 80731, 97727, 126863, 153571, 265259, 888041, 1074997, 1856813, 2917849, 20424943]

約数ペア:

[(1, 20424943), (7, 2917849), (11, 1856813), (19, 1074997), (23, 888041), (77, 265259), (133, 153571), (161, 126863), (209, 97727), (253, 80731), (437, 46739), (607, 33649), (1463, 13961), (1771, 11533), (3059, 6677), (4249, 4807)]