20248775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 27022080

約数和(自身を除く): 6773305

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 907, 1175, 4465, 4535, 17233, 22325, 22675, 42629, 86165, 213145, 430825, 809951, 1065725, 4049755, 20248775]

約数ペア:

[(1, 20248775), (5, 4049755), (19, 1065725), (25, 809951), (47, 430825), (95, 213145), (235, 86165), (475, 42629), (893, 22675), (907, 22325), (1175, 17233), (4465, 4535)]