20514718

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 37290240

約数和(自身を除く): 16775522

約数列:

[1, 2, 7, 14, 19, 38, 133, 233, 266, 331, 466, 662, 1631, 2317, 3262, 4427, 4634, 6289, 8854, 12578, 30989, 44023, 61978, 77123, 88046, 154246, 539861, 1079722, 1465337, 2930674, 10257359, 20514718]

約数ペア:

[(1, 20514718), (2, 10257359), (7, 2930674), (14, 1465337), (19, 1079722), (38, 539861), (133, 154246), (233, 88046), (266, 77123), (331, 61978), (466, 44023), (662, 30989), (1631, 12578), (2317, 8854), (3262, 6289), (4427, 4634)]