9740020

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{739}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 20512800

約数和(自身を除く): 10772780

約数列:

[1, 2, 4, 5, 10, 20, 659, 739, 1318, 1478, 2636, 2956, 3295, 3695, 6590, 7390, 13180, 14780, 487001, 974002, 1948004, 2435005, 4870010, 9740020]

約数ペア:

[(1, 9740020), (2, 4870010), (4, 2435005), (5, 1948004), (10, 974002), (20, 487001), (659, 14780), (739, 13180), (1318, 7390), (1478, 6590), (2636, 3695), (2956, 3295)]