20374886

素因数分解:

$2^1\times 7^4\times {\mathrm{4243}}^1$

素因数の和:4273

約数の個数: 20

約数和(自身を含む): 35662332

約数和(自身を除く): 15287446

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4243, 4802, 8486, 29701, 59402, 207907, 415814, 1455349, 2910698, 10187443, 20374886]

約数ペア:

[(1, 20374886), (2, 10187443), (7, 2910698), (14, 1455349), (49, 415814), (98, 207907), (343, 59402), (686, 29701), (2401, 8486), (4243, 4802)]