20172981353

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{331}}^1\times {\mathrm{8237}}^1$

素因数の和:8733

約数の個数: 24

約数和(自身を含む): 23696178624

約数和(自身を除く): 3523197271

約数列:

[1, 7, 49, 151, 331, 1057, 2317, 7399, 8237, 16219, 49981, 57659, 349867, 403613, 1243787, 2449069, 2726447, 8706509, 19085129, 60945563, 133595903, 411693497, 2881854479, 20172981353]

約数ペア:

[(1, 20172981353), (7, 2881854479), (49, 411693497), (151, 133595903), (331, 60945563), (1057, 19085129), (2317, 8706509), (7399, 2726447), (8237, 2449069), (16219, 1243787), (49981, 403613), (57659, 349867)]