20571750357

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1\times {\mathrm{10531}}^1$

素因数の和:11393

約数の個数: 32

約数和(自身を含む): 29583966720

約数和(自身を除く): 9012216363

約数列:

[1, 3, 19, 43, 57, 129, 797, 817, 2391, 2451, 10531, 15143, 31593, 34271, 45429, 102813, 200089, 452833, 600267, 651149, 1358499, 1953447, 8393207, 8603827, 25179621, 25811481, 159470933, 360907901, 478412799, 1082723703, 6857250119, 20571750357]

約数ペア:

[(1, 20571750357), (3, 6857250119), (19, 1082723703), (43, 478412799), (57, 360907901), (129, 159470933), (797, 25811481), (817, 25179621), (2391, 8603827), (2451, 8393207), (10531, 1953447), (15143, 1358499), (31593, 651149), (34271, 600267), (45429, 452833), (102813, 200089)]