20800401

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 30774528

約数和(自身を除く): 9974127

約数列:

[1, 3, 17, 37, 51, 73, 111, 151, 219, 453, 629, 1241, 1887, 2567, 2701, 3723, 5587, 7701, 8103, 11023, 16761, 33069, 45917, 94979, 137751, 187391, 284937, 407851, 562173, 1223553, 6933467, 20800401]

約数ペア:

[(1, 20800401), (3, 6933467), (17, 1223553), (37, 562173), (51, 407851), (73, 284937), (111, 187391), (151, 137751), (219, 94979), (453, 45917), (629, 33069), (1241, 16761), (1887, 11023), (2567, 8103), (2701, 7701), (3723, 5587)]