20181091

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3499

約数の個数: 16

約数和(自身を含む): 24926400

約数和(自身を除く): 4745309

約数列:

[1, 7, 17, 49, 119, 343, 833, 3461, 5831, 24227, 58837, 169589, 411859, 1187123, 2883013, 20181091]

約数ペア:

[(1, 20181091), (7, 2883013), (17, 1187123), (49, 411859), (119, 169589), (343, 58837), (833, 24227), (3461, 5831)]