20103244

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1289}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 40309920

約数和(自身を除く): 20206676

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 1289, 2228, 2578, 3899, 5156, 7798, 9023, 15596, 18046, 36092, 717973, 1435946, 2871892, 5025811, 10051622, 20103244]

約数ペア:

[(1, 20103244), (2, 10051622), (4, 5025811), (7, 2871892), (14, 1435946), (28, 717973), (557, 36092), (1114, 18046), (1289, 15596), (2228, 9023), (2578, 7798), (3899, 5156)]