20147740438

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27153289}}^1$

素因数の和:27153351

約数の個数: 16

約数和(自身を含む): 35190663840

約数和(自身を除く): 15042923402

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27153289, 54306578, 190073023, 380146046, 1439124317, 2878248634, 10073870219, 20147740438]

約数ペア:

[(1, 20147740438), (2, 10073870219), (7, 2878248634), (14, 1439124317), (53, 380146046), (106, 190073023), (371, 54306578), (742, 27153289)]