20197700960

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{847219}}^1$

素因数の和:847383

約数の個数: 48

約数和(自身を含む): 48037374000

約数和(自身を除く): 27839673040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920, 23840, 847219, 1694438, 3388876, 4236095, 6777752, 8472190, 13555504, 16944380, 27111008, 33888760, 67777520, 126235631, 135555040, 252471262, 504942524, 631178155, 1009885048, 1262356310, 2019770096, 2524712620, 4039540192, 5049425240, 10098850480, 20197700960]

約数ペア:

[(1, 20197700960), (2, 10098850480), (4, 5049425240), (5, 4039540192), (8, 2524712620), (10, 2019770096), (16, 1262356310), (20, 1009885048), (32, 631178155), (40, 504942524), (80, 252471262), (149, 135555040), (160, 126235631), (298, 67777520), (596, 33888760), (745, 27111008), (1192, 16944380), (1490, 13555504), (2384, 8472190), (2980, 6777752), (4768, 4236095), (5960, 3388876), (11920, 1694438), (23840, 847219)]